Home / 663,314,999.40-994,972,499.10-469,445,322.60

Finding the Fourth Proportional to 663,314,999.40, 994,972,499.10 and 469,445,322.60

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Solution

The fourth proportional to 663,314,999.40, 994,972,499.10 and 469,445,322.60 is: 704,167,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,314,999.40 : 994,972,499.10 = 469,445,322.60 : x
  2. Step 2: Convert to fraction form
    663,314,999.40/994,972,499.10 = 469,445,322.60/x
  3. Step 3: Cross multiply
    663,314,999.40x = 994,972,499.10 × 469,445,322.60
  4. Step 4: Simplify right side
    663,314,999.40x = 467,085,185,818,127,744
  5. Step 5: Solve for x
    x = 467,085,185,818,127,744/663,314,999.40
  6. Step 6: Final answer
    x = 704,167,983.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.