Home / 609,223,663.80-913,818,055.68-172,523,315.16

Finding the Fourth Proportional to 609,223,663.80, 913,818,055.68 and 172,523,315.16

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Solution

The fourth proportional to 609,223,663.80, 913,818,055.68 and 172,523,315.16 is: 258,780,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,223,663.80 : 913,818,055.68 = 172,523,315.16 : x
  2. Step 2: Convert to fraction form
    609,223,663.80/913,818,055.68 = 172,523,315.16/x
  3. Step 3: Cross multiply
    609,223,663.80x = 913,818,055.68 × 172,523,315.16
  4. Step 4: Simplify right side
    609,223,663.80x = 157,654,920,418,979,040
  5. Step 5: Solve for x
    x = 157,654,920,418,979,040/609,223,663.80
  6. Step 6: Final answer
    x = 258,780,033.98

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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.