Home / 713,232,002.40-1,069,848,003.60-551,789,800.80

Finding the Fourth Proportional to 713,232,002.40, 1,069,848,003.60 and 551,789,800.80

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Solution

The fourth proportional to 713,232,002.40, 1,069,848,003.60 and 551,789,800.80 is: 827,684,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,232,002.40 : 1,069,848,003.60 = 551,789,800.80 : x
  2. Step 2: Convert to fraction form
    713,232,002.40/1,069,848,003.60 = 551,789,800.80/x
  3. Step 3: Cross multiply
    713,232,002.40x = 1,069,848,003.60 × 551,789,800.80
  4. Step 4: Simplify right side
    713,232,002.40x = 590,331,216,792,721,664
  5. Step 5: Solve for x
    x = 590,331,216,792,721,664/713,232,002.40
  6. Step 6: Final answer
    x = 827,684,701.20

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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.