Home / 1,098,754,880.80-1,648,132,321.20-371,743,592.80

Finding the Fourth Proportional to 1,098,754,880.80, 1,648,132,321.20 and 371,743,592.80

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Solution

The fourth proportional to 1,098,754,880.80, 1,648,132,321.20 and 371,743,592.80 is: 557,615,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,754,880.80 : 1,648,132,321.20 = 371,743,592.80 : x
  2. Step 2: Convert to fraction form
    1,098,754,880.80/1,648,132,321.20 = 371,743,592.80/x
  3. Step 3: Cross multiply
    1,098,754,880.80x = 1,648,132,321.20 × 371,743,592.80
  4. Step 4: Simplify right side
    1,098,754,880.80x = 612,682,630,492,691,584
  5. Step 5: Solve for x
    x = 612,682,630,492,691,584/1,098,754,880.80
  6. Step 6: Final answer
    x = 557,615,389.20

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Double scale
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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.