Home / 514,752,710.56-772,122,326.64-126,578,891.68

Finding the Fourth Proportional to 514,752,710.56, 772,122,326.64 and 126,578,891.68

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Solution

The fourth proportional to 514,752,710.56, 772,122,326.64 and 126,578,891.68 is: 189,866,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,752,710.56 : 772,122,326.64 = 126,578,891.68 : x
  2. Step 2: Convert to fraction form
    514,752,710.56/772,122,326.64 = 126,578,891.68/x
  3. Step 3: Cross multiply
    514,752,710.56x = 772,122,326.64 × 126,578,891.68
  4. Step 4: Simplify right side
    514,752,710.56x = 97,734,388,347,474,144
  5. Step 5: Solve for x
    x = 97,734,388,347,474,144/514,752,710.56
  6. Step 6: Final answer
    x = 189,866,680.34

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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.