Home / 406,525,232.28-609,786,641.90-115,392,601.46

Finding the Fourth Proportional to 406,525,232.28, 609,786,641.90 and 115,392,601.46

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Solution

The fourth proportional to 406,525,232.28, 609,786,641.90 and 115,392,601.46 is: 173,088,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,525,232.28 : 609,786,641.90 = 115,392,601.46 : x
  2. Step 2: Convert to fraction form
    406,525,232.28/609,786,641.90 = 115,392,601.46/x
  3. Step 3: Cross multiply
    406,525,232.28x = 609,786,641.90 × 115,392,601.46
  4. Step 4: Simplify right side
    406,525,232.28x = 70,364,866,944,398,432
  5. Step 5: Solve for x
    x = 70,364,866,944,398,432/406,525,232.28
  6. Step 6: Final answer
    x = 173,088,559.72

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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.