Home / 1,112,572,001.40-1,668,858,002.10-822,334,356.60

Finding the Fourth Proportional to 1,112,572,001.40, 1,668,858,002.10 and 822,334,356.60

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Solution

The fourth proportional to 1,112,572,001.40, 1,668,858,002.10 and 822,334,356.60 is: 1,233,501,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,572,001.40 : 1,668,858,002.10 = 822,334,356.60 : x
  2. Step 2: Convert to fraction form
    1,112,572,001.40/1,668,858,002.10 = 822,334,356.60/x
  3. Step 3: Cross multiply
    1,112,572,001.40x = 1,668,858,002.10 × 822,334,356.60
  4. Step 4: Simplify right side
    1,112,572,001.40x = 1,372,359,271,413,665,024
  5. Step 5: Solve for x
    x = 1,372,359,271,413,665,024/1,112,572,001.40
  6. Step 6: Final answer
    x = 1,233,501,534.90

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Double scale
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Similar ratio
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1.5x scale

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.