Home / 616,818,933.50-925,231,549.55-207,878,626.94

Finding the Fourth Proportional to 616,818,933.50, 925,231,549.55 and 207,878,626.94

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Solution

The fourth proportional to 616,818,933.50, 925,231,549.55 and 207,878,626.94 is: 311,819,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,818,933.50 : 925,231,549.55 = 207,878,626.94 : x
  2. Step 2: Convert to fraction form
    616,818,933.50/925,231,549.55 = 207,878,626.94/x
  3. Step 3: Cross multiply
    616,818,933.50x = 925,231,549.55 × 207,878,626.94
  4. Step 4: Simplify right side
    616,818,933.50x = 192,335,864,116,357,024
  5. Step 5: Solve for x
    x = 192,335,864,116,357,024/616,818,933.50
  6. Step 6: Final answer
    x = 311,819,001.77

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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.