Home / 731,699,989.84-1,009,746,955.20-397,172,295.10

Finding the Fourth Proportional to 731,699,989.84, 1,009,746,955.20 and 397,172,295.10

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Solution

The fourth proportional to 731,699,989.84, 1,009,746,955.20 and 397,172,295.10 is: 548,098,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,699,989.84 : 1,009,746,955.20 = 397,172,295.10 : x
  2. Step 2: Convert to fraction form
    731,699,989.84/1,009,746,955.20 = 397,172,295.10/x
  3. Step 3: Cross multiply
    731,699,989.84x = 1,009,746,955.20 × 397,172,295.10
  4. Step 4: Simplify right side
    731,699,989.84x = 401,043,515,667,020,928
  5. Step 5: Solve for x
    x = 401,043,515,667,020,928/731,699,989.84
  6. Step 6: Final answer
    x = 548,098,293.34

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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.