Home / 1,051,490,781.60-1,577,086,873.20-361,429,879.20

Finding the Fourth Proportional to 1,051,490,781.60, 1,577,086,873.20 and 361,429,879.20

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Solution

The fourth proportional to 1,051,490,781.60, 1,577,086,873.20 and 361,429,879.20 is: 542,093,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,490,781.60 : 1,577,086,873.20 = 361,429,879.20 : x
  2. Step 2: Convert to fraction form
    1,051,490,781.60/1,577,086,873.20 = 361,429,879.20/x
  3. Step 3: Cross multiply
    1,051,490,781.60x = 1,577,086,873.20 × 361,429,879.20
  4. Step 4: Simplify right side
    1,051,490,781.60x = 570,006,318,068,581,696
  5. Step 5: Solve for x
    x = 570,006,318,068,581,696/1,051,490,781.60
  6. Step 6: Final answer
    x = 542,093,500.05

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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.