Home / 948,148,693.88-1,308,447,996.93-524,791,759.65

Finding the Fourth Proportional to 948,148,693.88, 1,308,447,996.93 and 524,791,759.65

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Solution

The fourth proportional to 948,148,693.88, 1,308,447,996.93 and 524,791,759.65 is: 724,214,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,148,693.88 : 1,308,447,996.93 = 524,791,759.65 : x
  2. Step 2: Convert to fraction form
    948,148,693.88/1,308,447,996.93 = 524,791,759.65/x
  3. Step 3: Cross multiply
    948,148,693.88x = 1,308,447,996.93 × 524,791,759.65
  4. Step 4: Simplify right side
    948,148,693.88x = 686,662,726,719,412,480
  5. Step 5: Solve for x
    x = 686,662,726,719,412,480/948,148,693.88
  6. Step 6: Final answer
    x = 724,214,177.75

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Double scale
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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.