Home / 8,671,638,963-11,966,861,767.78-4,912,449,530.68

Finding the Fourth Proportional to 8,671,638,963, 11,966,861,767.78 and 4,912,449,530.68

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Solution

The fourth proportional to 8,671,638,963, 11,966,861,767.78 and 4,912,449,530.68 is: 6,779,180,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,638,963 : 11,966,861,767.78 = 4,912,449,530.68 : x
  2. Step 2: Convert to fraction form
    8,671,638,963/11,966,861,767.78 = 4,912,449,530.68/x
  3. Step 3: Cross multiply
    8,671,638,963x = 11,966,861,767.78 × 4,912,449,530.68
  4. Step 4: Simplify right side
    8,671,638,963x = 58,786,604,474,843,299,840
  5. Step 5: Solve for x
    x = 58,786,604,474,843,299,840/8,671,638,963
  6. Step 6: Final answer
    x = 6,779,180,351.68

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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.