Home / 690,737,166.72-953,229,816-377,484,635.52

Finding the Fourth Proportional to 690,737,166.72, 953,229,816 and 377,484,635.52

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Solution

The fourth proportional to 690,737,166.72, 953,229,816 and 377,484,635.52 is: 520,935,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,737,166.72 : 953,229,816 = 377,484,635.52 : x
  2. Step 2: Convert to fraction form
    690,737,166.72/953,229,816 = 377,484,635.52/x
  3. Step 3: Cross multiply
    690,737,166.72x = 953,229,816 × 377,484,635.52
  4. Step 4: Simplify right side
    690,737,166.72x = 359,829,609,659,556,672
  5. Step 5: Solve for x
    x = 359,829,609,659,556,672/690,737,166.72
  6. Step 6: Final answer
    x = 520,935,642.38

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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.