Home / 614,528,345.82-847,855,509.30-376,124,995.80

Finding the Fourth Proportional to 614,528,345.82, 847,855,509.30 and 376,124,995.80

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Solution

The fourth proportional to 614,528,345.82, 847,855,509.30 and 376,124,995.80 is: 518,933,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,528,345.82 : 847,855,509.30 = 376,124,995.80 : x
  2. Step 2: Convert to fraction form
    614,528,345.82/847,855,509.30 = 376,124,995.80/x
  3. Step 3: Cross multiply
    614,528,345.82x = 847,855,509.30 × 376,124,995.80
  4. Step 4: Simplify right side
    614,528,345.82x = 318,899,649,874,469,376
  5. Step 5: Solve for x
    x = 318,899,649,874,469,376/614,528,345.82
  6. Step 6: Final answer
    x = 518,933,995.55

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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.