Home / 711,865,176.18-1,067,407,639.92-220,442,018.82

Finding the Fourth Proportional to 711,865,176.18, 1,067,407,639.92 and 220,442,018.82

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Solution

The fourth proportional to 711,865,176.18, 1,067,407,639.92 and 220,442,018.82 is: 330,542,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,865,176.18 : 1,067,407,639.92 = 220,442,018.82 : x
  2. Step 2: Convert to fraction form
    711,865,176.18/1,067,407,639.92 = 220,442,018.82/x
  3. Step 3: Cross multiply
    711,865,176.18x = 1,067,407,639.92 × 220,442,018.82
  4. Step 4: Simplify right side
    711,865,176.18x = 235,301,495,047,856,416
  5. Step 5: Solve for x
    x = 235,301,495,047,856,416/711,865,176.18
  6. Step 6: Final answer
    x = 330,542,219.12

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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.