Home / 406,575,638,347.92-609,841,387,294.20-123,572,416,870.92

Finding the Fourth Proportional to 406,575,638,347.92, 609,841,387,294.20 and 123,572,416,870.92

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Solution

The fourth proportional to 406,575,638,347.92, 609,841,387,294.20 and 123,572,416,870.92 is: 185,351,917,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,575,638,347.92 : 609,841,387,294.20 = 123,572,416,870.92 : x
  2. Step 2: Convert to fraction form
    406,575,638,347.92/609,841,387,294.20 = 123,572,416,870.92/x
  3. Step 3: Cross multiply
    406,575,638,347.92x = 609,841,387,294.20 × 123,572,416,870.92
  4. Step 4: Simplify right side
    406,575,638,347.92x = 75,359,574,135,859,048,349,696
  5. Step 5: Solve for x
    x = 75,359,574,135,859,048,349,696/406,575,638,347.92
  6. Step 6: Final answer
    x = 185,351,917,399.86

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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.