Home / 1,170,046,761.10-1,755,070,141.65-393,434,313.10

Finding the Fourth Proportional to 1,170,046,761.10, 1,755,070,141.65 and 393,434,313.10

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Solution

The fourth proportional to 1,170,046,761.10, 1,755,070,141.65 and 393,434,313.10 is: 590,151,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,046,761.10 : 1,755,070,141.65 = 393,434,313.10 : x
  2. Step 2: Convert to fraction form
    1,170,046,761.10/1,755,070,141.65 = 393,434,313.10/x
  3. Step 3: Cross multiply
    1,170,046,761.10x = 1,755,070,141.65 × 393,434,313.10
  4. Step 4: Simplify right side
    1,170,046,761.10x = 690,504,815,622,387,584
  5. Step 5: Solve for x
    x = 690,504,815,622,387,584/1,170,046,761.10
  6. Step 6: Final answer
    x = 590,151,469.65

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Half scale
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Double scale
Find fourth proportional to 1,170,046,762.10, 1,755,070,143.15 and 393,434,314.10
Similar ratio
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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.