Home / 775,989,462.09-1,070,705,599.43-445,900,828.17

Finding the Fourth Proportional to 775,989,462.09, 1,070,705,599.43 and 445,900,828.17

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Solution

The fourth proportional to 775,989,462.09, 1,070,705,599.43 and 445,900,828.17 is: 615,251,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,989,462.09 : 1,070,705,599.43 = 445,900,828.17 : x
  2. Step 2: Convert to fraction form
    775,989,462.09/1,070,705,599.43 = 445,900,828.17/x
  3. Step 3: Cross multiply
    775,989,462.09x = 1,070,705,599.43 × 445,900,828.17
  4. Step 4: Simplify right side
    775,989,462.09x = 477,428,513,509,863,744
  5. Step 5: Solve for x
    x = 477,428,513,509,863,744/775,989,462.09
  6. Step 6: Final answer
    x = 615,251,284.76

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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.