Home / 1,208,736,941.80-1,813,105,412.70-945,709,076.20

Finding the Fourth Proportional to 1,208,736,941.80, 1,813,105,412.70 and 945,709,076.20

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Solution

The fourth proportional to 1,208,736,941.80, 1,813,105,412.70 and 945,709,076.20 is: 1,418,563,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,736,941.80 : 1,813,105,412.70 = 945,709,076.20 : x
  2. Step 2: Convert to fraction form
    1,208,736,941.80/1,813,105,412.70 = 945,709,076.20/x
  3. Step 3: Cross multiply
    1,208,736,941.80x = 1,813,105,412.70 × 945,709,076.20
  4. Step 4: Simplify right side
    1,208,736,941.80x = 1,714,670,244,897,736,960
  5. Step 5: Solve for x
    x = 1,714,670,244,897,736,960/1,208,736,941.80
  6. Step 6: Final answer
    x = 1,418,563,614.30

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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.