Home / 430,092,288,000.20-645,138,432,000.30-281,490,613,862.60

Finding the Fourth Proportional to 430,092,288,000.20, 645,138,432,000.30 and 281,490,613,862.60

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Solution

The fourth proportional to 430,092,288,000.20, 645,138,432,000.30 and 281,490,613,862.60 is: 422,235,920,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,092,288,000.20 : 645,138,432,000.30 = 281,490,613,862.60 : x
  2. Step 2: Convert to fraction form
    430,092,288,000.20/645,138,432,000.30 = 281,490,613,862.60/x
  3. Step 3: Cross multiply
    430,092,288,000.20x = 645,138,432,000.30 × 281,490,613,862.60
  4. Step 4: Simplify right side
    430,092,288,000.20x = 181,600,413,250,119,673,053,184
  5. Step 5: Solve for x
    x = 181,600,413,250,119,673,053,184/430,092,288,000.20
  6. Step 6: Final answer
    x = 422,235,920,793.90

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1.5x scale

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.