Home / 731,496,580.92-1,009,467,924.48-396,969,030.68

Finding the Fourth Proportional to 731,496,580.92, 1,009,467,924.48 and 396,969,030.68

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Solution

The fourth proportional to 731,496,580.92, 1,009,467,924.48 and 396,969,030.68 is: 547,818,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,496,580.92 : 1,009,467,924.48 = 396,969,030.68 : x
  2. Step 2: Convert to fraction form
    731,496,580.92/1,009,467,924.48 = 396,969,030.68/x
  3. Step 3: Cross multiply
    731,496,580.92x = 1,009,467,924.48 × 396,969,030.68
  4. Step 4: Simplify right side
    731,496,580.92x = 400,727,503,483,377,088
  5. Step 5: Solve for x
    x = 400,727,503,483,377,088/731,496,580.92
  6. Step 6: Final answer
    x = 547,818,696.54

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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.