Home / 12,162,447,392.68-18,237,020,442.12-9,657,466,854.98

Finding the Fourth Proportional to 12,162,447,392.68, 18,237,020,442.12 and 9,657,466,854.98

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Solution

The fourth proportional to 12,162,447,392.68, 18,237,020,442.12 and 9,657,466,854.98 is: 14,480,919,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,447,392.68 : 18,237,020,442.12 = 9,657,466,854.98 : x
  2. Step 2: Convert to fraction form
    12,162,447,392.68/18,237,020,442.12 = 9,657,466,854.98/x
  3. Step 3: Cross multiply
    12,162,447,392.68x = 18,237,020,442.12 × 9,657,466,854.98
  4. Step 4: Simplify right side
    12,162,447,392.68x = 176,123,420,453,366,595,584
  5. Step 5: Solve for x
    x = 176,123,420,453,366,595,584/12,162,447,392.68
  6. Step 6: Final answer
    x = 14,480,919,404.38

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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.