Home / 420,614,984.04-630,358,512.06-327,354,567.18

Finding the Fourth Proportional to 420,614,984.04, 630,358,512.06 and 327,354,567.18

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Solution

The fourth proportional to 420,614,984.04, 630,358,512.06 and 327,354,567.18 is: 490,592,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,614,984.04 : 630,358,512.06 = 327,354,567.18 : x
  2. Step 2: Convert to fraction form
    420,614,984.04/630,358,512.06 = 327,354,567.18/x
  3. Step 3: Cross multiply
    420,614,984.04x = 630,358,512.06 × 327,354,567.18
  4. Step 4: Simplify right side
    420,614,984.04x = 206,350,737,883,630,080
  5. Step 5: Solve for x
    x = 206,350,737,883,630,080/420,614,984.04
  6. Step 6: Final answer
    x = 490,592,931.10

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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.