Home / 2,920,648,100.12-4,031,884,189.11-1,956,691,822.94

Finding the Fourth Proportional to 2,920,648,100.12, 4,031,884,189.11 and 1,956,691,822.94

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Solution

The fourth proportional to 2,920,648,100.12, 4,031,884,189.11 and 1,956,691,822.94 is: 2,701,165,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,648,100.12 : 4,031,884,189.11 = 1,956,691,822.94 : x
  2. Step 2: Convert to fraction form
    2,920,648,100.12/4,031,884,189.11 = 1,956,691,822.94/x
  3. Step 3: Cross multiply
    2,920,648,100.12x = 4,031,884,189.11 × 1,956,691,822.94
  4. Step 4: Simplify right side
    2,920,648,100.12x = 7,889,154,823,852,449,792
  5. Step 5: Solve for x
    x = 7,889,154,823,852,449,792/2,920,648,100.12
  6. Step 6: Final answer
    x = 2,701,165,821.22

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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.