Home / 7,278,533,164.80-10,917,799,747.20-2,919,593,721.60

Finding the Fourth Proportional to 7,278,533,164.80, 10,917,799,747.20 and 2,919,593,721.60

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Solution

The fourth proportional to 7,278,533,164.80, 10,917,799,747.20 and 2,919,593,721.60 is: 4,379,390,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,533,164.80 : 10,917,799,747.20 = 2,919,593,721.60 : x
  2. Step 2: Convert to fraction form
    7,278,533,164.80/10,917,799,747.20 = 2,919,593,721.60/x
  3. Step 3: Cross multiply
    7,278,533,164.80x = 10,917,799,747.20 × 2,919,593,721.60
  4. Step 4: Simplify right side
    7,278,533,164.80x = 31,875,539,595,611,189,248
  5. Step 5: Solve for x
    x = 31,875,539,595,611,189,248/7,278,533,164.80
  6. Step 6: Final answer
    x = 4,379,390,582.40

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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.