Home / 218,363,904,014.40-327,545,856,021.60-100,817,657,870.40

Finding the Fourth Proportional to 218,363,904,014.40, 327,545,856,021.60 and 100,817,657,870.40

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Solution

The fourth proportional to 218,363,904,014.40, 327,545,856,021.60 and 100,817,657,870.40 is: 151,226,486,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,363,904,014.40 : 327,545,856,021.60 = 100,817,657,870.40 : x
  2. Step 2: Convert to fraction form
    218,363,904,014.40/327,545,856,021.60 = 100,817,657,870.40/x
  3. Step 3: Cross multiply
    218,363,904,014.40x = 327,545,856,021.60 × 100,817,657,870.40
  4. Step 4: Simplify right side
    218,363,904,014.40x = 33,022,406,049,252,960,632,832
  5. Step 5: Solve for x
    x = 33,022,406,049,252,960,632,832/218,363,904,014.40
  6. Step 6: Final answer
    x = 151,226,486,805.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.