Home / 746,495,999.40-1,119,743,999.10-667,889,970.60

Finding the Fourth Proportional to 746,495,999.40, 1,119,743,999.10 and 667,889,970.60

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Solution

The fourth proportional to 746,495,999.40, 1,119,743,999.10 and 667,889,970.60 is: 1,001,834,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,495,999.40 : 1,119,743,999.10 = 667,889,970.60 : x
  2. Step 2: Convert to fraction form
    746,495,999.40/1,119,743,999.10 = 667,889,970.60/x
  3. Step 3: Cross multiply
    746,495,999.40x = 1,119,743,999.10 × 667,889,970.60
  4. Step 4: Simplify right side
    746,495,999.40x = 747,865,786,638,425,344
  5. Step 5: Solve for x
    x = 747,865,786,638,425,344/746,495,999.40
  6. Step 6: Final answer
    x = 1,001,834,955.90

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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.