Home / 644,861,952.70-965,875,087.83-532,929,061.96

Finding the Fourth Proportional to 644,861,952.70, 965,875,087.83 and 532,929,061.96

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Solution

The fourth proportional to 644,861,952.70, 965,875,087.83 and 532,929,061.96 is: 798,221,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,861,952.70 : 965,875,087.83 = 532,929,061.96 : x
  2. Step 2: Convert to fraction form
    644,861,952.70/965,875,087.83 = 532,929,061.96/x
  3. Step 3: Cross multiply
    644,861,952.70x = 965,875,087.83 × 532,929,061.96
  4. Step 4: Simplify right side
    644,861,952.70x = 514,742,904,527,774,528
  5. Step 5: Solve for x
    x = 514,742,904,527,774,528/644,861,952.70
  6. Step 6: Final answer
    x = 798,221,855.66

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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.