Home / 578,981,965.18-799,001,284.05-314,663,971.88

Finding the Fourth Proportional to 578,981,965.18, 799,001,284.05 and 314,663,971.88

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Solution

The fourth proportional to 578,981,965.18, 799,001,284.05 and 314,663,971.88 is: 434,239,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,981,965.18 : 799,001,284.05 = 314,663,971.88 : x
  2. Step 2: Convert to fraction form
    578,981,965.18/799,001,284.05 = 314,663,971.88/x
  3. Step 3: Cross multiply
    578,981,965.18x = 799,001,284.05 × 314,663,971.88
  4. Step 4: Simplify right side
    578,981,965.18x = 251,416,917,576,393,088
  5. Step 5: Solve for x
    x = 251,416,917,576,393,088/578,981,965.18
  6. Step 6: Final answer
    x = 434,239,635.60

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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.