Home / 824,256,982.60-1,236,385,473.90-818,517,419.80

Finding the Fourth Proportional to 824,256,982.60, 1,236,385,473.90 and 818,517,419.80

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Solution

The fourth proportional to 824,256,982.60, 1,236,385,473.90 and 818,517,419.80 is: 1,227,776,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,256,982.60 : 1,236,385,473.90 = 818,517,419.80 : x
  2. Step 2: Convert to fraction form
    824,256,982.60/1,236,385,473.90 = 818,517,419.80/x
  3. Step 3: Cross multiply
    824,256,982.60x = 1,236,385,473.90 × 818,517,419.80
  4. Step 4: Simplify right side
    824,256,982.60x = 1,012,003,047,974,828,288
  5. Step 5: Solve for x
    x = 1,012,003,047,974,828,288/824,256,982.60
  6. Step 6: Final answer
    x = 1,227,776,129.70

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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.