Home / 634,543,672.29-875,673,437.10-396,527,065.41

Finding the Fourth Proportional to 634,543,672.29, 875,673,437.10 and 396,527,065.41

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Solution

The fourth proportional to 634,543,672.29, 875,673,437.10 and 396,527,065.41 is: 547,209,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,543,672.29 : 875,673,437.10 = 396,527,065.41 : x
  2. Step 2: Convert to fraction form
    634,543,672.29/875,673,437.10 = 396,527,065.41/x
  3. Step 3: Cross multiply
    634,543,672.29x = 875,673,437.10 × 396,527,065.41
  4. Step 4: Simplify right side
    634,543,672.29x = 347,228,218,270,751,232
  5. Step 5: Solve for x
    x = 347,228,218,270,751,232/634,543,672.29
  6. Step 6: Final answer
    x = 547,209,330.79

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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.