Home / 7,854,342,173.59-10,838,902,909.89-4,286,109,789.23

Finding the Fourth Proportional to 7,854,342,173.59, 10,838,902,909.89 and 4,286,109,789.23

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Solution

The fourth proportional to 7,854,342,173.59, 10,838,902,909.89 and 4,286,109,789.23 is: 5,914,782,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854,342,173.59 : 10,838,902,909.89 = 4,286,109,789.23 : x
  2. Step 2: Convert to fraction form
    7,854,342,173.59/10,838,902,909.89 = 4,286,109,789.23/x
  3. Step 3: Cross multiply
    7,854,342,173.59x = 10,838,902,909.89 × 4,286,109,789.23
  4. Step 4: Simplify right side
    7,854,342,173.59x = 46,456,727,866,592,911,360
  5. Step 5: Solve for x
    x = 46,456,727,866,592,911,360/7,854,342,173.59
  6. Step 6: Final answer
    x = 5,914,782,783.82

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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.