Home / 12,418,288,435.95-18,627,432,653.93-9,969,408,307.95

Finding the Fourth Proportional to 12,418,288,435.95, 18,627,432,653.93 and 9,969,408,307.95

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Solution

The fourth proportional to 12,418,288,435.95, 18,627,432,653.93 and 9,969,408,307.95 is: 14,954,112,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,288,435.95 : 18,627,432,653.93 = 9,969,408,307.95 : x
  2. Step 2: Convert to fraction form
    12,418,288,435.95/18,627,432,653.93 = 9,969,408,307.95/x
  3. Step 3: Cross multiply
    12,418,288,435.95x = 18,627,432,653.93 × 9,969,408,307.95
  4. Step 4: Simplify right side
    12,418,288,435.95x = 185,704,481,855,819,022,336
  5. Step 5: Solve for x
    x = 185,704,481,855,819,022,336/12,418,288,435.95
  6. Step 6: Final answer
    x = 14,954,112,461.93

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Double scale
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Similar ratio
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1.5x scale

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.