Home / 8,083,359,125.70-12,125,038,688.55-3,945,457,148.10

Finding the Fourth Proportional to 8,083,359,125.70, 12,125,038,688.55 and 3,945,457,148.10

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Solution

The fourth proportional to 8,083,359,125.70, 12,125,038,688.55 and 3,945,457,148.10 is: 5,918,185,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,359,125.70 : 12,125,038,688.55 = 3,945,457,148.10 : x
  2. Step 2: Convert to fraction form
    8,083,359,125.70/12,125,038,688.55 = 3,945,457,148.10/x
  3. Step 3: Cross multiply
    8,083,359,125.70x = 12,125,038,688.55 × 3,945,457,148.10
  4. Step 4: Simplify right side
    8,083,359,125.70x = 47,838,820,564,728,643,584
  5. Step 5: Solve for x
    x = 47,838,820,564,728,643,584/8,083,359,125.70
  6. Step 6: Final answer
    x = 5,918,185,722.15

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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.