Home / 1,070,033,646.30-1,605,050,469.45-488,902,912.80

Finding the Fourth Proportional to 1,070,033,646.30, 1,605,050,469.45 and 488,902,912.80

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Solution

The fourth proportional to 1,070,033,646.30, 1,605,050,469.45 and 488,902,912.80 is: 733,354,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,033,646.30 : 1,605,050,469.45 = 488,902,912.80 : x
  2. Step 2: Convert to fraction form
    1,070,033,646.30/1,605,050,469.45 = 488,902,912.80/x
  3. Step 3: Cross multiply
    1,070,033,646.30x = 1,605,050,469.45 × 488,902,912.80
  4. Step 4: Simplify right side
    1,070,033,646.30x = 784,713,849,705,112,448
  5. Step 5: Solve for x
    x = 784,713,849,705,112,448/1,070,033,646.30
  6. Step 6: Final answer
    x = 733,354,369.20

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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.