Home / 578,981,965.68-799,001,284.74-314,663,972.39

Finding the Fourth Proportional to 578,981,965.68, 799,001,284.74 and 314,663,972.39

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Solution

The fourth proportional to 578,981,965.68, 799,001,284.74 and 314,663,972.39 is: 434,239,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,981,965.68 : 799,001,284.74 = 314,663,972.39 : x
  2. Step 2: Convert to fraction form
    578,981,965.68/799,001,284.74 = 314,663,972.39/x
  3. Step 3: Cross multiply
    578,981,965.68x = 799,001,284.74 × 314,663,972.39
  4. Step 4: Simplify right side
    578,981,965.68x = 251,416,918,197,006,880
  5. Step 5: Solve for x
    x = 251,416,918,197,006,880/578,981,965.68
  6. Step 6: Final answer
    x = 434,239,636.29

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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.