Home / 570,329,768-787,034,713.20-322,805,807.84

Finding the Fourth Proportional to 570,329,768, 787,034,713.20 and 322,805,807.84

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Solution

The fourth proportional to 570,329,768, 787,034,713.20 and 322,805,807.84 is: 445,460,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,329,768 : 787,034,713.20 = 322,805,807.84 : x
  2. Step 2: Convert to fraction form
    570,329,768/787,034,713.20 = 322,805,807.84/x
  3. Step 3: Cross multiply
    570,329,768x = 787,034,713.20 × 322,805,807.84
  4. Step 4: Simplify right side
    570,329,768x = 254,059,376,392,648,704
  5. Step 5: Solve for x
    x = 254,059,376,392,648,704/570,329,768
  6. Step 6: Final answer
    x = 445,460,487.33

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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.