Home / 948,148,694.88-1,308,447,998.31-524,791,760.65

Finding the Fourth Proportional to 948,148,694.88, 1,308,447,998.31 and 524,791,760.65

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Solution

The fourth proportional to 948,148,694.88, 1,308,447,998.31 and 524,791,760.65 is: 724,214,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,148,694.88 : 1,308,447,998.31 = 524,791,760.65 : x
  2. Step 2: Convert to fraction form
    948,148,694.88/1,308,447,998.31 = 524,791,760.65/x
  3. Step 3: Cross multiply
    948,148,694.88x = 1,308,447,998.31 × 524,791,760.65
  4. Step 4: Simplify right side
    948,148,694.88x = 686,662,728,752,073,088
  5. Step 5: Solve for x
    x = 686,662,728,752,073,088/948,148,694.88
  6. Step 6: Final answer
    x = 724,214,179.13

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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.