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Finding the Fourth Proportional to 1,333,197,543.78, 1,839,812,452.79 and 797,349,126.03

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Solution

The fourth proportional to 1,333,197,543.78, 1,839,812,452.79 and 797,349,126.03 is: 1,100,341,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,197,543.78 : 1,839,812,452.79 = 797,349,126.03 : x
  2. Step 2: Convert to fraction form
    1,333,197,543.78/1,839,812,452.79 = 797,349,126.03/x
  3. Step 3: Cross multiply
    1,333,197,543.78x = 1,839,812,452.79 × 797,349,126.03
  4. Step 4: Simplify right side
    1,333,197,543.78x = 1,466,972,851,287,230,464
  5. Step 5: Solve for x
    x = 1,466,972,851,287,230,464/1,333,197,543.78
  6. Step 6: Final answer
    x = 1,100,341,699.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.