Home / 475,314,218.47-712,468,126.14-159,879,964.31

Finding the Fourth Proportional to 475,314,218.47, 712,468,126.14 and 159,879,964.31

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Solution

The fourth proportional to 475,314,218.47, 712,468,126.14 and 159,879,964.31 is: 239,650,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,314,218.47 : 712,468,126.14 = 159,879,964.31 : x
  2. Step 2: Convert to fraction form
    475,314,218.47/712,468,126.14 = 159,879,964.31/x
  3. Step 3: Cross multiply
    475,314,218.47x = 712,468,126.14 × 159,879,964.31
  4. Step 4: Simplify right side
    475,314,218.47x = 113,909,378,577,785,648
  5. Step 5: Solve for x
    x = 113,909,378,577,785,648/475,314,218.47
  6. Step 6: Final answer
    x = 239,650,686.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.