Home / 992,478,234.58-1,488,939,376.11-302,439,493.78

Finding the Fourth Proportional to 992,478,234.58, 1,488,939,376.11 and 302,439,493.78

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Solution

The fourth proportional to 992,478,234.58, 1,488,939,376.11 and 302,439,493.78 is: 453,726,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,478,234.58 : 1,488,939,376.11 = 302,439,493.78 : x
  2. Step 2: Convert to fraction form
    992,478,234.58/1,488,939,376.11 = 302,439,493.78/x
  3. Step 3: Cross multiply
    992,478,234.58x = 1,488,939,376.11 × 302,439,493.78
  4. Step 4: Simplify right side
    992,478,234.58x = 450,314,071,179,817,344
  5. Step 5: Solve for x
    x = 450,314,071,179,817,344/992,478,234.58
  6. Step 6: Final answer
    x = 453,726,898.47

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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.