Home / 1,404,171,828.15-1,936,824,082.65-903,014,220.84

Finding the Fourth Proportional to 1,404,171,828.15, 1,936,824,082.65 and 903,014,220.84

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Solution

The fourth proportional to 1,404,171,828.15, 1,936,824,082.65 and 903,014,220.84 is: 1,245,559,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,171,828.15 : 1,936,824,082.65 = 903,014,220.84 : x
  2. Step 2: Convert to fraction form
    1,404,171,828.15/1,936,824,082.65 = 903,014,220.84/x
  3. Step 3: Cross multiply
    1,404,171,828.15x = 1,936,824,082.65 × 903,014,220.84
  4. Step 4: Simplify right side
    1,404,171,828.15x = 1,748,979,689,898,337,536
  5. Step 5: Solve for x
    x = 1,748,979,689,898,337,536/1,404,171,828.15
  6. Step 6: Final answer
    x = 1,245,559,592.38

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Half scale
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Double scale
Find fourth proportional to 1,404,171,829.15, 1,936,824,084.03 and 903,014,221.84
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.