Home / 731,699,990.34-1,009,746,955.89-397,172,295.60

Finding the Fourth Proportional to 731,699,990.34, 1,009,746,955.89 and 397,172,295.60

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Solution

The fourth proportional to 731,699,990.34, 1,009,746,955.89 and 397,172,295.60 is: 548,098,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,699,990.34 : 1,009,746,955.89 = 397,172,295.60 : x
  2. Step 2: Convert to fraction form
    731,699,990.34/1,009,746,955.89 = 397,172,295.60/x
  3. Step 3: Cross multiply
    731,699,990.34x = 1,009,746,955.89 × 397,172,295.60
  4. Step 4: Simplify right side
    731,699,990.34x = 401,043,516,445,943,232
  5. Step 5: Solve for x
    x = 401,043,516,445,943,232/731,699,990.34
  6. Step 6: Final answer
    x = 548,098,294.03

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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.