Home / 5,432,508,456.30-8,148,762,684.45-1,555,114,920.30

Finding the Fourth Proportional to 5,432,508,456.30, 8,148,762,684.45 and 1,555,114,920.30

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Solution

The fourth proportional to 5,432,508,456.30, 8,148,762,684.45 and 1,555,114,920.30 is: 2,332,672,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,508,456.30 : 8,148,762,684.45 = 1,555,114,920.30 : x
  2. Step 2: Convert to fraction form
    5,432,508,456.30/8,148,762,684.45 = 1,555,114,920.30/x
  3. Step 3: Cross multiply
    5,432,508,456.30x = 8,148,762,684.45 × 1,555,114,920.30
  4. Step 4: Simplify right side
    5,432,508,456.30x = 12,672,262,432,572,076,032
  5. Step 5: Solve for x
    x = 12,672,262,432,572,076,032/5,432,508,456.30
  6. Step 6: Final answer
    x = 2,332,672,380.45

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Double scale
Find fourth proportional to 5,432,508,457.30, 8,148,762,685.95 and 1,555,114,921.30
Similar ratio
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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.