Home / 467,867,584.68-645,657,423.06-256,187,803.38

Finding the Fourth Proportional to 467,867,584.68, 645,657,423.06 and 256,187,803.38

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Solution

The fourth proportional to 467,867,584.68, 645,657,423.06 and 256,187,803.38 is: 353,539,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,867,584.68 : 645,657,423.06 = 256,187,803.38 : x
  2. Step 2: Convert to fraction form
    467,867,584.68/645,657,423.06 = 256,187,803.38/x
  3. Step 3: Cross multiply
    467,867,584.68x = 645,657,423.06 × 256,187,803.38
  4. Step 4: Simplify right side
    467,867,584.68x = 165,409,556,949,732,736
  5. Step 5: Solve for x
    x = 165,409,556,949,732,736/467,867,584.68
  6. Step 6: Final answer
    x = 353,539,254.19

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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.