Home / 2,991,924,328.41-4,129,265,704.82-1,721,739,222.81

Finding the Fourth Proportional to 2,991,924,328.41, 4,129,265,704.82 and 1,721,739,222.81

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Solution

The fourth proportional to 2,991,924,328.41, 4,129,265,704.82 and 1,721,739,222.81 is: 2,376,236,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,924,328.41 : 4,129,265,704.82 = 1,721,739,222.81 : x
  2. Step 2: Convert to fraction form
    2,991,924,328.41/4,129,265,704.82 = 1,721,739,222.81/x
  3. Step 3: Cross multiply
    2,991,924,328.41x = 4,129,265,704.82 × 1,721,739,222.81
  4. Step 4: Simplify right side
    2,991,924,328.41x = 7,109,518,725,384,164,352
  5. Step 5: Solve for x
    x = 7,109,518,725,384,164,352/2,991,924,328.41
  6. Step 6: Final answer
    x = 2,376,236,142.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.