Home / 12,706,635,938.97-19,037,865,552.50-8,916,990,951.45

Finding the Fourth Proportional to 12,706,635,938.97, 19,037,865,552.50 and 8,916,990,951.45

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Solution

The fourth proportional to 12,706,635,938.97, 19,037,865,552.50 and 8,916,990,951.45 is: 13,359,985,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,706,635,938.97 : 19,037,865,552.50 = 8,916,990,951.45 : x
  2. Step 2: Convert to fraction form
    12,706,635,938.97/19,037,865,552.50 = 8,916,990,951.45/x
  3. Step 3: Cross multiply
    12,706,635,938.97x = 19,037,865,552.50 × 8,916,990,951.45
  4. Step 4: Simplify right side
    12,706,635,938.97x = 169,760,474,866,424,381,440
  5. Step 5: Solve for x
    x = 169,760,474,866,424,381,440/12,706,635,938.97
  6. Step 6: Final answer
    x = 13,359,985,733.58

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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.