Home / 661,364,987.52-992,068,965.54-194,987,302.32

Finding the Fourth Proportional to 661,364,987.52, 992,068,965.54 and 194,987,302.32

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Solution

The fourth proportional to 661,364,987.52, 992,068,965.54 and 194,987,302.32 is: 292,487,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,364,987.52 : 992,068,965.54 = 194,987,302.32 : x
  2. Step 2: Convert to fraction form
    661,364,987.52/992,068,965.54 = 194,987,302.32/x
  3. Step 3: Cross multiply
    661,364,987.52x = 992,068,965.54 × 194,987,302.32
  4. Step 4: Simplify right side
    661,364,987.52x = 193,440,851,306,037,632
  5. Step 5: Solve for x
    x = 193,440,851,306,037,632/661,364,987.52
  6. Step 6: Final answer
    x = 292,487,287.59

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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.