Home / 807,733,815.60-1,211,600,723.40-501,371,857.20

Finding the Fourth Proportional to 807,733,815.60, 1,211,600,723.40 and 501,371,857.20

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Solution

The fourth proportional to 807,733,815.60, 1,211,600,723.40 and 501,371,857.20 is: 752,057,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,733,815.60 : 1,211,600,723.40 = 501,371,857.20 : x
  2. Step 2: Convert to fraction form
    807,733,815.60/1,211,600,723.40 = 501,371,857.20/x
  3. Step 3: Cross multiply
    807,733,815.60x = 1,211,600,723.40 × 501,371,857.20
  4. Step 4: Simplify right side
    807,733,815.60x = 607,462,504,875,921,536
  5. Step 5: Solve for x
    x = 607,462,504,875,921,536/807,733,815.60
  6. Step 6: Final answer
    x = 752,057,785.80

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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.