Home / 2,691,156,007.20-4,036,734,010.80-851,472,602.40

Finding the Fourth Proportional to 2,691,156,007.20, 4,036,734,010.80 and 851,472,602.40

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Solution

The fourth proportional to 2,691,156,007.20, 4,036,734,010.80 and 851,472,602.40 is: 1,277,208,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,156,007.20 : 4,036,734,010.80 = 851,472,602.40 : x
  2. Step 2: Convert to fraction form
    2,691,156,007.20/4,036,734,010.80 = 851,472,602.40/x
  3. Step 3: Cross multiply
    2,691,156,007.20x = 4,036,734,010.80 × 851,472,602.40
  4. Step 4: Simplify right side
    2,691,156,007.20x = 3,437,168,413,372,465,664
  5. Step 5: Solve for x
    x = 3,437,168,413,372,465,664/2,691,156,007.20
  6. Step 6: Final answer
    x = 1,277,208,903.60

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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.