Home / 524,016,101.60-786,024,152.40-178,917,999.20

Finding the Fourth Proportional to 524,016,101.60, 786,024,152.40 and 178,917,999.20

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Solution

The fourth proportional to 524,016,101.60, 786,024,152.40 and 178,917,999.20 is: 268,376,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,016,101.60 : 786,024,152.40 = 178,917,999.20 : x
  2. Step 2: Convert to fraction form
    524,016,101.60/786,024,152.40 = 178,917,999.20/x
  3. Step 3: Cross multiply
    524,016,101.60x = 786,024,152.40 × 178,917,999.20
  4. Step 4: Simplify right side
    524,016,101.60x = 140,633,868,670,283,872
  5. Step 5: Solve for x
    x = 140,633,868,670,283,872/524,016,101.60
  6. Step 6: Final answer
    x = 268,376,998.80

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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.