Home / 778,337,359.32-1,074,105,521.80-425,913,379.14

Finding the Fourth Proportional to 778,337,359.32, 1,074,105,521.80 and 425,913,379.14

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Solution

The fourth proportional to 778,337,359.32, 1,074,105,521.80 and 425,913,379.14 is: 587,760,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,337,359.32 : 1,074,105,521.80 = 425,913,379.14 : x
  2. Step 2: Convert to fraction form
    778,337,359.32/1,074,105,521.80 = 425,913,379.14/x
  3. Step 3: Cross multiply
    778,337,359.32x = 1,074,105,521.80 × 425,913,379.14
  4. Step 4: Simplify right side
    778,337,359.32x = 457,475,912,342,770,880
  5. Step 5: Solve for x
    x = 457,475,912,342,770,880/778,337,359.32
  6. Step 6: Final answer
    x = 587,760,444.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.