Home / 1,365,879,861.80-2,046,132,407.10-818,996,892.20

Finding the Fourth Proportional to 1,365,879,861.80, 2,046,132,407.10 and 818,996,892.20

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Solution

The fourth proportional to 1,365,879,861.80, 2,046,132,407.10 and 818,996,892.20 is: 1,226,883,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,879,861.80 : 2,046,132,407.10 = 818,996,892.20 : x
  2. Step 2: Convert to fraction form
    1,365,879,861.80/2,046,132,407.10 = 818,996,892.20/x
  3. Step 3: Cross multiply
    1,365,879,861.80x = 2,046,132,407.10 × 818,996,892.20
  4. Step 4: Simplify right side
    1,365,879,861.80x = 1,675,776,082,444,605,184
  5. Step 5: Solve for x
    x = 1,675,776,082,444,605,184/1,365,879,861.80
  6. Step 6: Final answer
    x = 1,226,883,951.74

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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.