Home / 903,753,790.60-1,247,111,785.96-507,200,192.76

Finding the Fourth Proportional to 903,753,790.60, 1,247,111,785.96 and 507,200,192.76

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Solution

The fourth proportional to 903,753,790.60, 1,247,111,785.96 and 507,200,192.76 is: 699,897,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,753,790.60 : 1,247,111,785.96 = 507,200,192.76 : x
  2. Step 2: Convert to fraction form
    903,753,790.60/1,247,111,785.96 = 507,200,192.76/x
  3. Step 3: Cross multiply
    903,753,790.60x = 1,247,111,785.96 × 507,200,192.76
  4. Step 4: Simplify right side
    903,753,790.60x = 632,535,338,232,179,840
  5. Step 5: Solve for x
    x = 632,535,338,232,179,840/903,753,790.60
  6. Step 6: Final answer
    x = 699,897,853.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.