Home / 1,688,813,469.38-2,531,013,993.30-941,799,430.64

Finding the Fourth Proportional to 1,688,813,469.38, 2,531,013,993.30 and 941,799,430.64

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Solution

The fourth proportional to 1,688,813,469.38, 2,531,013,993.30 and 941,799,430.64 is: 1,411,468,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,813,469.38 : 2,531,013,993.30 = 941,799,430.64 : x
  2. Step 2: Convert to fraction form
    1,688,813,469.38/2,531,013,993.30 = 941,799,430.64/x
  3. Step 3: Cross multiply
    1,688,813,469.38x = 2,531,013,993.30 × 941,799,430.64
  4. Step 4: Simplify right side
    1,688,813,469.38x = 2,383,707,537,831,813,120
  5. Step 5: Solve for x
    x = 2,383,707,537,831,813,120/1,688,813,469.38
  6. Step 6: Final answer
    x = 1,411,468,809.94

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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.