Home / 731,243,984.87-1,009,118,634.29-396,716,496.90

Finding the Fourth Proportional to 731,243,984.87, 1,009,118,634.29 and 396,716,496.90

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Solution

The fourth proportional to 731,243,984.87, 1,009,118,634.29 and 396,716,496.90 is: 547,469,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,243,984.87 : 1,009,118,634.29 = 396,716,496.90 : x
  2. Step 2: Convert to fraction form
    731,243,984.87/1,009,118,634.29 = 396,716,496.90/x
  3. Step 3: Cross multiply
    731,243,984.87x = 1,009,118,634.29 × 396,716,496.90
  4. Step 4: Simplify right side
    731,243,984.87x = 400,334,009,553,032,768
  5. Step 5: Solve for x
    x = 400,334,009,553,032,768/731,243,984.87
  6. Step 6: Final answer
    x = 547,469,815.60

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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.