Home / 752,286,106.20-1,128,429,159.30-403,607,666.10

Finding the Fourth Proportional to 752,286,106.20, 1,128,429,159.30 and 403,607,666.10

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Solution

The fourth proportional to 752,286,106.20, 1,128,429,159.30 and 403,607,666.10 is: 605,411,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,286,106.20 : 1,128,429,159.30 = 403,607,666.10 : x
  2. Step 2: Convert to fraction form
    752,286,106.20/1,128,429,159.30 = 403,607,666.10/x
  3. Step 3: Cross multiply
    752,286,106.20x = 1,128,429,159.30 × 403,607,666.10
  4. Step 4: Simplify right side
    752,286,106.20x = 455,442,659,344,258,112
  5. Step 5: Solve for x
    x = 455,442,659,344,258,112/752,286,106.20
  6. Step 6: Final answer
    x = 605,411,499.15

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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.