Home / 661,365,274.68-992,069,397.18-194,987,590.65

Finding the Fourth Proportional to 661,365,274.68, 992,069,397.18 and 194,987,590.65

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Solution

The fourth proportional to 661,365,274.68, 992,069,397.18 and 194,987,590.65 is: 292,487,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,365,274.68 : 992,069,397.18 = 194,987,590.65 : x
  2. Step 2: Convert to fraction form
    661,365,274.68/992,069,397.18 = 194,987,590.65/x
  3. Step 3: Cross multiply
    661,365,274.68x = 992,069,397.18 × 194,987,590.65
  4. Step 4: Simplify right side
    661,365,274.68x = 193,441,221,513,726,112
  5. Step 5: Solve for x
    x = 193,441,221,513,726,112/661,365,274.68
  6. Step 6: Final answer
    x = 292,487,720.36

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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.