Home / 298,306,911,807.29-411,663,703,150.50-161,129,737,231.17

Finding the Fourth Proportional to 298,306,911,807.29, 411,663,703,150.50 and 161,129,737,231.17

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Solution

The fourth proportional to 298,306,911,807.29, 411,663,703,150.50 and 161,129,737,231.17 is: 222,359,126,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,306,911,807.29 : 411,663,703,150.50 = 161,129,737,231.17 : x
  2. Step 2: Convert to fraction form
    298,306,911,807.29/411,663,703,150.50 = 161,129,737,231.17/x
  3. Step 3: Cross multiply
    298,306,911,807.29x = 411,663,703,150.50 × 161,129,737,231.17
  4. Step 4: Simplify right side
    298,306,911,807.29x = 66,331,264,316,250,441,908,224
  5. Step 5: Solve for x
    x = 66,331,264,316,250,441,908,224/298,306,911,807.29
  6. Step 6: Final answer
    x = 222,359,126,425.81

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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.