Home / 1,259,723,219.80-1,889,584,829.70-569,652,986.20

Finding the Fourth Proportional to 1,259,723,219.80, 1,889,584,829.70 and 569,652,986.20

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Solution

The fourth proportional to 1,259,723,219.80, 1,889,584,829.70 and 569,652,986.20 is: 854,479,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,723,219.80 : 1,889,584,829.70 = 569,652,986.20 : x
  2. Step 2: Convert to fraction form
    1,259,723,219.80/1,889,584,829.70 = 569,652,986.20/x
  3. Step 3: Cross multiply
    1,259,723,219.80x = 1,889,584,829.70 × 569,652,986.20
  4. Step 4: Simplify right side
    1,259,723,219.80x = 1,076,407,640,916,823,552
  5. Step 5: Solve for x
    x = 1,076,407,640,916,823,552/1,259,723,219.80
  6. Step 6: Final answer
    x = 854,479,479.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.