Home / 1,214,785,501.20-1,822,178,251.80-801,536,979.60

Finding the Fourth Proportional to 1,214,785,501.20, 1,822,178,251.80 and 801,536,979.60

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Solution

The fourth proportional to 1,214,785,501.20, 1,822,178,251.80 and 801,536,979.60 is: 1,202,305,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,785,501.20 : 1,822,178,251.80 = 801,536,979.60 : x
  2. Step 2: Convert to fraction form
    1,214,785,501.20/1,822,178,251.80 = 801,536,979.60/x
  3. Step 3: Cross multiply
    1,214,785,501.20x = 1,822,178,251.80 × 801,536,979.60
  4. Step 4: Simplify right side
    1,214,785,501.20x = 1,460,543,252,240,580,352
  5. Step 5: Solve for x
    x = 1,460,543,252,240,580,352/1,214,785,501.20
  6. Step 6: Final answer
    x = 1,202,305,469.40

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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.