Home / 518,139,234.40-776,711,187.60-299,565,205.60

Finding the Fourth Proportional to 518,139,234.40, 776,711,187.60 and 299,565,205.60

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Solution

The fourth proportional to 518,139,234.40, 776,711,187.60 and 299,565,205.60 is: 449,060,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,139,234.40 : 776,711,187.60 = 299,565,205.60 : x
  2. Step 2: Convert to fraction form
    518,139,234.40/776,711,187.60 = 299,565,205.60/x
  3. Step 3: Cross multiply
    518,139,234.40x = 776,711,187.60 × 299,565,205.60
  4. Step 4: Simplify right side
    518,139,234.40x = 232,675,646,605,214,208
  5. Step 5: Solve for x
    x = 232,675,646,605,214,208/518,139,234.40
  6. Step 6: Final answer
    x = 449,060,081.07

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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.