Home / 15,762,916,132.14-21,752,810,208.69-8,897,757,794.78

Finding the Fourth Proportional to 15,762,916,132.14, 21,752,810,208.69 and 8,897,757,794.78

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Solution

The fourth proportional to 15,762,916,132.14, 21,752,810,208.69 and 8,897,757,794.78 is: 12,278,897,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,916,132.14 : 21,752,810,208.69 = 8,897,757,794.78 : x
  2. Step 2: Convert to fraction form
    15,762,916,132.14/21,752,810,208.69 = 8,897,757,794.78/x
  3. Step 3: Cross multiply
    15,762,916,132.14x = 21,752,810,208.69 × 8,897,757,794.78
  4. Step 4: Simplify right side
    15,762,916,132.14x = 193,551,236,592,597,041,152
  5. Step 5: Solve for x
    x = 193,551,236,592,597,041,152/15,762,916,132.14
  6. Step 6: Final answer
    x = 12,278,897,823.86

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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.