Home / 19,973,932,152.25-29,919,205,673.17-11,980,750,956.62

Finding the Fourth Proportional to 19,973,932,152.25, 29,919,205,673.17 and 11,980,750,956.62

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Solution

The fourth proportional to 19,973,932,152.25, 29,919,205,673.17 and 11,980,750,956.62 is: 17,946,118,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,932,152.25 : 29,919,205,673.17 = 11,980,750,956.62 : x
  2. Step 2: Convert to fraction form
    19,973,932,152.25/29,919,205,673.17 = 11,980,750,956.62/x
  3. Step 3: Cross multiply
    19,973,932,152.25x = 29,919,205,673.17 × 11,980,750,956.62
  4. Step 4: Simplify right side
    19,973,932,152.25x = 358,454,551,990,165,897,216
  5. Step 5: Solve for x
    x = 358,454,551,990,165,897,216/19,973,932,152.25
  6. Step 6: Final answer
    x = 17,946,118,433.66

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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.