Home / 6,440,395,917.70-9,660,593,876.55-4,892,461,812.10

Finding the Fourth Proportional to 6,440,395,917.70, 9,660,593,876.55 and 4,892,461,812.10

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Solution

The fourth proportional to 6,440,395,917.70, 9,660,593,876.55 and 4,892,461,812.10 is: 7,338,692,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,395,917.70 : 9,660,593,876.55 = 4,892,461,812.10 : x
  2. Step 2: Convert to fraction form
    6,440,395,917.70/9,660,593,876.55 = 4,892,461,812.10/x
  3. Step 3: Cross multiply
    6,440,395,917.70x = 9,660,593,876.55 × 4,892,461,812.10
  4. Step 4: Simplify right side
    6,440,395,917.70x = 47,264,086,623,227,977,728
  5. Step 5: Solve for x
    x = 47,264,086,623,227,977,728/6,440,395,917.70
  6. Step 6: Final answer
    x = 7,338,692,718.15

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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.