Home / 1,688,813,468.38-2,531,013,991.80-941,799,429.64

Finding the Fourth Proportional to 1,688,813,468.38, 2,531,013,991.80 and 941,799,429.64

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Solution

The fourth proportional to 1,688,813,468.38, 2,531,013,991.80 and 941,799,429.64 is: 1,411,468,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,813,468.38 : 2,531,013,991.80 = 941,799,429.64 : x
  2. Step 2: Convert to fraction form
    1,688,813,468.38/2,531,013,991.80 = 941,799,429.64/x
  3. Step 3: Cross multiply
    1,688,813,468.38x = 2,531,013,991.80 × 941,799,429.64
  4. Step 4: Simplify right side
    1,688,813,468.38x = 2,383,707,533,888,099,840
  5. Step 5: Solve for x
    x = 2,383,707,533,888,099,840/1,688,813,468.38
  6. Step 6: Final answer
    x = 1,411,468,808.44

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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.