Home / 8,304,768,014.40-12,457,152,021.60-7,937,435,995.20

Finding the Fourth Proportional to 8,304,768,014.40, 12,457,152,021.60 and 7,937,435,995.20

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Solution

The fourth proportional to 8,304,768,014.40, 12,457,152,021.60 and 7,937,435,995.20 is: 11,906,153,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304,768,014.40 : 12,457,152,021.60 = 7,937,435,995.20 : x
  2. Step 2: Convert to fraction form
    8,304,768,014.40/12,457,152,021.60 = 7,937,435,995.20/x
  3. Step 3: Cross multiply
    8,304,768,014.40x = 12,457,152,021.60 × 7,937,435,995.20
  4. Step 4: Simplify right side
    8,304,768,014.40x = 98,877,846,853,926,289,408
  5. Step 5: Solve for x
    x = 98,877,846,853,926,289,408/8,304,768,014.40
  6. Step 6: Final answer
    x = 11,906,153,992.80

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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.