Home / 914,275,667.31-1,261,678,960.39-537,956,629.66

Finding the Fourth Proportional to 914,275,667.31, 1,261,678,960.39 and 537,956,629.66

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Solution

The fourth proportional to 914,275,667.31, 1,261,678,960.39 and 537,956,629.66 is: 742,367,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,275,667.31 : 1,261,678,960.39 = 537,956,629.66 : x
  2. Step 2: Convert to fraction form
    914,275,667.31/1,261,678,960.39 = 537,956,629.66/x
  3. Step 3: Cross multiply
    914,275,667.31x = 1,261,678,960.39 × 537,956,629.66
  4. Step 4: Simplify right side
    914,275,667.31x = 678,728,561,244,337,024
  5. Step 5: Solve for x
    x = 678,728,561,244,337,024/914,275,667.31
  6. Step 6: Final answer
    x = 742,367,521.65

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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.