Home / 791,485,340.40-1,187,228,010.60-587,411,996.40

Finding the Fourth Proportional to 791,485,340.40, 1,187,228,010.60 and 587,411,996.40

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Solution

The fourth proportional to 791,485,340.40, 1,187,228,010.60 and 587,411,996.40 is: 881,117,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,485,340.40 : 1,187,228,010.60 = 587,411,996.40 : x
  2. Step 2: Convert to fraction form
    791,485,340.40/1,187,228,010.60 = 587,411,996.40/x
  3. Step 3: Cross multiply
    791,485,340.40x = 1,187,228,010.60 × 587,411,996.40
  4. Step 4: Simplify right side
    791,485,340.40x = 697,391,975,888,546,304
  5. Step 5: Solve for x
    x = 697,391,975,888,546,304/791,485,340.40
  6. Step 6: Final answer
    x = 881,117,994.60

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Half scale
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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.