Home / 18,541,247,999.60-27,811,871,999.40-16,854,241,689.20

Finding the Fourth Proportional to 18,541,247,999.60, 27,811,871,999.40 and 16,854,241,689.20

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Solution

The fourth proportional to 18,541,247,999.60, 27,811,871,999.40 and 16,854,241,689.20 is: 25,281,362,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541,247,999.60 : 27,811,871,999.40 = 16,854,241,689.20 : x
  2. Step 2: Convert to fraction form
    18,541,247,999.60/27,811,871,999.40 = 16,854,241,689.20/x
  3. Step 3: Cross multiply
    18,541,247,999.60x = 27,811,871,999.40 × 16,854,241,689.20
  4. Step 4: Simplify right side
    18,541,247,999.60x = 468,748,012,506,981,662,720
  5. Step 5: Solve for x
    x = 468,748,012,506,981,662,720/18,541,247,999.60
  6. Step 6: Final answer
    x = 25,281,362,533.80

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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.