Home / 442,684,293.72-663,980,814.36-147,547,524.12

Finding the Fourth Proportional to 442,684,293.72, 663,980,814.36 and 147,547,524.12

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Solution

The fourth proportional to 442,684,293.72, 663,980,814.36 and 147,547,524.12 is: 221,306,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,684,293.72 : 663,980,814.36 = 147,547,524.12 : x
  2. Step 2: Convert to fraction form
    442,684,293.72/663,980,814.36 = 147,547,524.12/x
  3. Step 3: Cross multiply
    442,684,293.72x = 663,980,814.36 × 147,547,524.12
  4. Step 4: Simplify right side
    442,684,293.72x = 97,968,725,221,999,344
  5. Step 5: Solve for x
    x = 97,968,725,221,999,344/442,684,293.72
  6. Step 6: Final answer
    x = 221,306,078.87

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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.