Home / 578,981,964.18-799,001,282.67-314,663,970.88

Finding the Fourth Proportional to 578,981,964.18, 799,001,282.67 and 314,663,970.88

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Solution

The fourth proportional to 578,981,964.18, 799,001,282.67 and 314,663,970.88 is: 434,239,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,981,964.18 : 799,001,282.67 = 314,663,970.88 : x
  2. Step 2: Convert to fraction form
    578,981,964.18/799,001,282.67 = 314,663,970.88/x
  3. Step 3: Cross multiply
    578,981,964.18x = 799,001,282.67 × 314,663,970.88
  4. Step 4: Simplify right side
    578,981,964.18x = 251,416,916,342,979,104
  5. Step 5: Solve for x
    x = 251,416,916,342,979,104/578,981,964.18
  6. Step 6: Final answer
    x = 434,239,634.21

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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.