Home / 19,973,932,151.50-29,919,205,672.04-11,980,750,955.87

Finding the Fourth Proportional to 19,973,932,151.50, 29,919,205,672.04 and 11,980,750,955.87

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Solution

The fourth proportional to 19,973,932,151.50, 29,919,205,672.04 and 11,980,750,955.87 is: 17,946,118,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,932,151.50 : 29,919,205,672.04 = 11,980,750,955.87 : x
  2. Step 2: Convert to fraction form
    19,973,932,151.50/29,919,205,672.04 = 11,980,750,955.87/x
  3. Step 3: Cross multiply
    19,973,932,151.50x = 29,919,205,672.04 × 11,980,750,955.87
  4. Step 4: Simplify right side
    19,973,932,151.50x = 358,454,551,954,248,171,520
  5. Step 5: Solve for x
    x = 358,454,551,954,248,171,520/19,973,932,151.50
  6. Step 6: Final answer
    x = 17,946,118,432.54

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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.