Home / 406,131,315.60-609,545,338.20-163,968,013.20

Finding the Fourth Proportional to 406,131,315.60, 609,545,338.20 and 163,968,013.20

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Solution

The fourth proportional to 406,131,315.60, 609,545,338.20 and 163,968,013.20 is: 246,092,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,131,315.60 : 609,545,338.20 = 163,968,013.20 : x
  2. Step 2: Convert to fraction form
    406,131,315.60/609,545,338.20 = 163,968,013.20/x
  3. Step 3: Cross multiply
    406,131,315.60x = 609,545,338.20 × 163,968,013.20
  4. Step 4: Simplify right side
    406,131,315.60x = 99,945,938,059,976,064
  5. Step 5: Solve for x
    x = 99,945,938,059,976,064/406,131,315.60
  6. Step 6: Final answer
    x = 246,092,665.65

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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.