Home / 8,387,232,001.40-12,580,848,002.10-5,122,058,497.40

Finding the Fourth Proportional to 8,387,232,001.40, 12,580,848,002.10 and 5,122,058,497.40

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Solution

The fourth proportional to 8,387,232,001.40, 12,580,848,002.10 and 5,122,058,497.40 is: 7,683,087,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,232,001.40 : 12,580,848,002.10 = 5,122,058,497.40 : x
  2. Step 2: Convert to fraction form
    8,387,232,001.40/12,580,848,002.10 = 5,122,058,497.40/x
  3. Step 3: Cross multiply
    8,387,232,001.40x = 12,580,848,002.10 × 5,122,058,497.40
  4. Step 4: Simplify right side
    8,387,232,001.40x = 64,439,839,413,654,118,400
  5. Step 5: Solve for x
    x = 64,439,839,413,654,118,400/8,387,232,001.40
  6. Step 6: Final answer
    x = 7,683,087,746.10

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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.