Home / 732,803,914.20-1,099,205,871.30-388,430,146.20

Finding the Fourth Proportional to 732,803,914.20, 1,099,205,871.30 and 388,430,146.20

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Solution

The fourth proportional to 732,803,914.20, 1,099,205,871.30 and 388,430,146.20 is: 582,645,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,803,914.20 : 1,099,205,871.30 = 388,430,146.20 : x
  2. Step 2: Convert to fraction form
    732,803,914.20/1,099,205,871.30 = 388,430,146.20/x
  3. Step 3: Cross multiply
    732,803,914.20x = 1,099,205,871.30 × 388,430,146.20
  4. Step 4: Simplify right side
    732,803,914.20x = 426,964,697,292,957,376
  5. Step 5: Solve for x
    x = 426,964,697,292,957,376/732,803,914.20
  6. Step 6: Final answer
    x = 582,645,219.30

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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.