Home / 1,813,432,829.40-2,720,149,244.10-664,426,186.20

Finding the Fourth Proportional to 1,813,432,829.40, 2,720,149,244.10 and 664,426,186.20

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Solution

The fourth proportional to 1,813,432,829.40, 2,720,149,244.10 and 664,426,186.20 is: 996,639,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,432,829.40 : 2,720,149,244.10 = 664,426,186.20 : x
  2. Step 2: Convert to fraction form
    1,813,432,829.40/2,720,149,244.10 = 664,426,186.20/x
  3. Step 3: Cross multiply
    1,813,432,829.40x = 2,720,149,244.10 × 664,426,186.20
  4. Step 4: Simplify right side
    1,813,432,829.40x = 1,807,338,388,152,175,872
  5. Step 5: Solve for x
    x = 1,807,338,388,152,175,872/1,813,432,829.40
  6. Step 6: Final answer
    x = 996,639,279.30

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Double scale
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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.