Home / 914,275,494.87-1,261,678,723.43-537,956,456.55

Finding the Fourth Proportional to 914,275,494.87, 1,261,678,723.43 and 537,956,456.55

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Solution

The fourth proportional to 914,275,494.87, 1,261,678,723.43 and 537,956,456.55 is: 742,367,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,275,494.87 : 1,261,678,723.43 = 537,956,456.55 : x
  2. Step 2: Convert to fraction form
    914,275,494.87/1,261,678,723.43 = 537,956,456.55/x
  3. Step 3: Cross multiply
    914,275,494.87x = 1,261,678,723.43 × 537,956,456.55
  4. Step 4: Simplify right side
    914,275,494.87x = 678,728,215,360,930,176
  5. Step 5: Solve for x
    x = 678,728,215,360,930,176/914,275,494.87
  6. Step 6: Final answer
    x = 742,367,283.35

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1.5x scale

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.