Home / 527,623,545.76-791,442,053.93-139,443,022.31

Finding the Fourth Proportional to 527,623,545.76, 791,442,053.93 and 139,443,022.31

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Solution

The fourth proportional to 527,623,545.76, 791,442,053.93 and 139,443,022.31 is: 209,166,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,623,545.76 : 791,442,053.93 = 139,443,022.31 : x
  2. Step 2: Convert to fraction form
    527,623,545.76/791,442,053.93 = 139,443,022.31/x
  3. Step 3: Cross multiply
    527,623,545.76x = 791,442,053.93 × 139,443,022.31
  4. Step 4: Simplify right side
    527,623,545.76x = 110,361,071,984,514,592
  5. Step 5: Solve for x
    x = 110,361,071,984,514,592/527,623,545.76
  6. Step 6: Final answer
    x = 209,166,313.50

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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.