Home / 752,333,433.60-1,128,500,150.40-457,702,543.20

Finding the Fourth Proportional to 752,333,433.60, 1,128,500,150.40 and 457,702,543.20

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Solution

The fourth proportional to 752,333,433.60, 1,128,500,150.40 and 457,702,543.20 is: 686,553,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,333,433.60 : 1,128,500,150.40 = 457,702,543.20 : x
  2. Step 2: Convert to fraction form
    752,333,433.60/1,128,500,150.40 = 457,702,543.20/x
  3. Step 3: Cross multiply
    752,333,433.60x = 1,128,500,150.40 × 457,702,543.20
  4. Step 4: Simplify right side
    752,333,433.60x = 516,517,388,839,662,528
  5. Step 5: Solve for x
    x = 516,517,388,839,662,528/752,333,433.60
  6. Step 6: Final answer
    x = 686,553,814.80

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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.