Home / 948,148,693.12-1,308,447,995.90-524,791,758.90

Finding the Fourth Proportional to 948,148,693.12, 1,308,447,995.90 and 524,791,758.90

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Solution

The fourth proportional to 948,148,693.12, 1,308,447,995.90 and 524,791,758.90 is: 724,214,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,148,693.12 : 1,308,447,995.90 = 524,791,758.90 : x
  2. Step 2: Convert to fraction form
    948,148,693.12/1,308,447,995.90 = 524,791,758.90/x
  3. Step 3: Cross multiply
    948,148,693.12x = 1,308,447,995.90 × 524,791,758.90
  4. Step 4: Simplify right side
    948,148,693.12x = 686,662,725,198,852,864
  5. Step 5: Solve for x
    x = 686,662,725,198,852,864/948,148,693.12
  6. Step 6: Final answer
    x = 724,214,176.72

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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.