Home / 715,678,852.38-1,073,398,693.38-198,161,606.58

Finding the Fourth Proportional to 715,678,852.38, 1,073,398,693.38 and 198,161,606.58

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Solution

The fourth proportional to 715,678,852.38, 1,073,398,693.38 and 198,161,606.58 is: 297,209,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,678,852.38 : 1,073,398,693.38 = 198,161,606.58 : x
  2. Step 2: Convert to fraction form
    715,678,852.38/1,073,398,693.38 = 198,161,606.58/x
  3. Step 3: Cross multiply
    715,678,852.38x = 1,073,398,693.38 × 198,161,606.58
  4. Step 4: Simplify right side
    715,678,852.38x = 212,706,409,581,053,632
  5. Step 5: Solve for x
    x = 212,706,409,581,053,632/715,678,852.38
  6. Step 6: Final answer
    x = 297,209,298.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.