Home / 672,490,565.57-1,009,027,185.92-361,235,028.83

Finding the Fourth Proportional to 672,490,565.57, 1,009,027,185.92 and 361,235,028.83

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Solution

The fourth proportional to 672,490,565.57, 1,009,027,185.92 and 361,235,028.83 is: 542,009,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,490,565.57 : 1,009,027,185.92 = 361,235,028.83 : x
  2. Step 2: Convert to fraction form
    672,490,565.57/1,009,027,185.92 = 361,235,028.83/x
  3. Step 3: Cross multiply
    672,490,565.57x = 1,009,027,185.92 × 361,235,028.83
  4. Step 4: Simplify right side
    672,490,565.57x = 364,495,964,590,550,208
  5. Step 5: Solve for x
    x = 364,495,964,590,550,208/672,490,565.57
  6. Step 6: Final answer
    x = 542,009,038.12

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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.