Home / 399,352,897.60-599,059,465.61-119,211,693.90

Finding the Fourth Proportional to 399,352,897.60, 599,059,465.61 and 119,211,693.90

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Solution

The fourth proportional to 399,352,897.60, 599,059,465.61 and 119,211,693.90 is: 178,826,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,352,897.60 : 599,059,465.61 = 119,211,693.90 : x
  2. Step 2: Convert to fraction form
    399,352,897.60/599,059,465.61 = 119,211,693.90/x
  3. Step 3: Cross multiply
    399,352,897.60x = 599,059,465.61 × 119,211,693.90
  4. Step 4: Simplify right side
    399,352,897.60x = 71,414,893,642,196,904
  5. Step 5: Solve for x
    x = 71,414,893,642,196,904/399,352,897.60
  6. Step 6: Final answer
    x = 178,826,531.80

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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.