Home / 1,876,710,851.20-2,816,409,969.60-786,975,990.40

Finding the Fourth Proportional to 1,876,710,851.20, 2,816,409,969.60 and 786,975,990.40

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Solution

The fourth proportional to 1,876,710,851.20, 2,816,409,969.60 and 786,975,990.40 is: 1,181,027,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,710,851.20 : 2,816,409,969.60 = 786,975,990.40 : x
  2. Step 2: Convert to fraction form
    1,876,710,851.20/2,816,409,969.60 = 786,975,990.40/x
  3. Step 3: Cross multiply
    1,876,710,851.20x = 2,816,409,969.60 × 786,975,990.40
  4. Step 4: Simplify right side
    1,876,710,851.20x = 2,216,447,025,198,393,856
  5. Step 5: Solve for x
    x = 2,216,447,025,198,393,856/1,876,710,851.20
  6. Step 6: Final answer
    x = 1,181,027,446.92

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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.