Home / 10,891,988,342.34-15,037,883,962.68-8,889,599,865.30

Finding the Fourth Proportional to 10,891,988,342.34, 15,037,883,962.68 and 8,889,599,865.30

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Solution

The fourth proportional to 10,891,988,342.34, 15,037,883,962.68 and 8,889,599,865.30 is: 12,273,312,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,988,342.34 : 15,037,883,962.68 = 8,889,599,865.30 : x
  2. Step 2: Convert to fraction form
    10,891,988,342.34/15,037,883,962.68 = 8,889,599,865.30/x
  3. Step 3: Cross multiply
    10,891,988,342.34x = 15,037,883,962.68 × 8,889,599,865.30
  4. Step 4: Simplify right side
    10,891,988,342.34x = 133,680,771,249,037,148,160
  5. Step 5: Solve for x
    x = 133,680,771,249,037,148,160/10,891,988,342.34
  6. Step 6: Final answer
    x = 12,273,312,002.12

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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.