Home / 1,317,729,344.64-1,818,469,948.90-714,899,936.53

Finding the Fourth Proportional to 1,317,729,344.64, 1,818,469,948.90 and 714,899,936.53

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Solution

The fourth proportional to 1,317,729,344.64, 1,818,469,948.90 and 714,899,936.53 is: 986,563,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,729,344.64 : 1,818,469,948.90 = 714,899,936.53 : x
  2. Step 2: Convert to fraction form
    1,317,729,344.64/1,818,469,948.90 = 714,899,936.53/x
  3. Step 3: Cross multiply
    1,317,729,344.64x = 1,818,469,948.90 × 714,899,936.53
  4. Step 4: Simplify right side
    1,317,729,344.64x = 1,300,024,051,050,322,432
  5. Step 5: Solve for x
    x = 1,300,024,051,050,322,432/1,317,729,344.64
  6. Step 6: Final answer
    x = 986,563,785.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.