Home / 610,590,351.65-915,987,683.88-479,427,335.96

Finding the Fourth Proportional to 610,590,351.65, 915,987,683.88 and 479,427,335.96

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Solution

The fourth proportional to 610,590,351.65, 915,987,683.88 and 479,427,335.96 is: 719,221,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,590,351.65 : 915,987,683.88 = 479,427,335.96 : x
  2. Step 2: Convert to fraction form
    610,590,351.65/915,987,683.88 = 479,427,335.96/x
  3. Step 3: Cross multiply
    610,590,351.65x = 915,987,683.88 × 479,427,335.96
  4. Step 4: Simplify right side
    610,590,351.65x = 439,149,535,050,179,072
  5. Step 5: Solve for x
    x = 439,149,535,050,179,072/610,590,351.65
  6. Step 6: Final answer
    x = 719,221,215.77

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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.