Home / 402,876,736,248.88-555,977,634,599.64-219,981,089,565.04

Finding the Fourth Proportional to 402,876,736,248.88, 555,977,634,599.64 and 219,981,089,565.04

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Solution

The fourth proportional to 402,876,736,248.88, 555,977,634,599.64 and 219,981,089,565.04 is: 303,578,129,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,876,736,248.88 : 555,977,634,599.64 = 219,981,089,565.04 : x
  2. Step 2: Convert to fraction form
    402,876,736,248.88/555,977,634,599.64 = 219,981,089,565.04/x
  3. Step 3: Cross multiply
    402,876,736,248.88x = 555,977,634,599.64 × 219,981,089,565.04
  4. Step 4: Simplify right side
    402,876,736,248.88x = 122,304,565,833,022,494,998,528
  5. Step 5: Solve for x
    x = 122,304,565,833,022,494,998,528/402,876,736,248.88
  6. Step 6: Final answer
    x = 303,578,129,061.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.