Home / 914,275,695.66-1,261,678,999.71-537,956,657.88

Finding the Fourth Proportional to 914,275,695.66, 1,261,678,999.71 and 537,956,657.88

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Solution

The fourth proportional to 914,275,695.66, 1,261,678,999.71 and 537,956,657.88 is: 742,367,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,275,695.66 : 1,261,678,999.71 = 537,956,657.88 : x
  2. Step 2: Convert to fraction form
    914,275,695.66/1,261,678,999.71 = 537,956,657.88/x
  3. Step 3: Cross multiply
    914,275,695.66x = 1,261,678,999.71 × 537,956,657.88
  4. Step 4: Simplify right side
    914,275,695.66x = 678,728,618,001,373,056
  5. Step 5: Solve for x
    x = 678,728,618,001,373,056/914,275,695.66
  6. Step 6: Final answer
    x = 742,367,560.71

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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.