Home / 10,961,679,459.43-15,125,389,778.96-6,384,697,146.40

Finding the Fourth Proportional to 10,961,679,459.43, 15,125,389,778.96 and 6,384,697,146.40

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Solution

The fourth proportional to 10,961,679,459.43, 15,125,389,778.96 and 6,384,697,146.40 is: 8,809,875,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,679,459.43 : 15,125,389,778.96 = 6,384,697,146.40 : x
  2. Step 2: Convert to fraction form
    10,961,679,459.43/15,125,389,778.96 = 6,384,697,146.40/x
  3. Step 3: Cross multiply
    10,961,679,459.43x = 15,125,389,778.96 × 6,384,697,146.40
  4. Step 4: Simplify right side
    10,961,679,459.43x = 96,571,032,959,913,623,552
  5. Step 5: Solve for x
    x = 96,571,032,959,913,623,552/10,961,679,459.43
  6. Step 6: Final answer
    x = 8,809,875,650.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.