Home / 491,251,424.40-736,877,136.60-127,745,780.40

Finding the Fourth Proportional to 491,251,424.40, 736,877,136.60 and 127,745,780.40

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Solution

The fourth proportional to 491,251,424.40, 736,877,136.60 and 127,745,780.40 is: 191,618,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,251,424.40 : 736,877,136.60 = 127,745,780.40 : x
  2. Step 2: Convert to fraction form
    491,251,424.40/736,877,136.60 = 127,745,780.40/x
  3. Step 3: Cross multiply
    491,251,424.40x = 736,877,136.60 × 127,745,780.40
  4. Step 4: Simplify right side
    491,251,424.40x = 94,132,944,873,884,416
  5. Step 5: Solve for x
    x = 94,132,944,873,884,416/491,251,424.40
  6. Step 6: Final answer
    x = 191,618,670.60

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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.