Home / 272,167,776,752.40-408,251,665,128.60-178,130,779,837.20

Finding the Fourth Proportional to 272,167,776,752.40, 408,251,665,128.60 and 178,130,779,837.20

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Solution

The fourth proportional to 272,167,776,752.40, 408,251,665,128.60 and 178,130,779,837.20 is: 267,196,169,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,167,776,752.40 : 408,251,665,128.60 = 178,130,779,837.20 : x
  2. Step 2: Convert to fraction form
    272,167,776,752.40/408,251,665,128.60 = 178,130,779,837.20/x
  3. Step 3: Cross multiply
    272,167,776,752.40x = 408,251,665,128.60 × 178,130,779,837.20
  4. Step 4: Simplify right side
    272,167,776,752.40x = 72,722,187,479,192,948,441,088
  5. Step 5: Solve for x
    x = 72,722,187,479,192,948,441,088/272,167,776,752.40
  6. Step 6: Final answer
    x = 267,196,169,755.80

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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.