Home / 3,564,851,988.96-4,919,248,877.04-1,978,819,025.76

Finding the Fourth Proportional to 3,564,851,988.96, 4,919,248,877.04 and 1,978,819,025.76

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Solution

The fourth proportional to 3,564,851,988.96, 4,919,248,877.04 and 1,978,819,025.76 is: 2,730,633,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564,851,988.96 : 4,919,248,877.04 = 1,978,819,025.76 : x
  2. Step 2: Convert to fraction form
    3,564,851,988.96/4,919,248,877.04 = 1,978,819,025.76/x
  3. Step 3: Cross multiply
    3,564,851,988.96x = 4,919,248,877.04 × 1,978,819,025.76
  4. Step 4: Simplify right side
    3,564,851,988.96x = 9,734,303,270,335,266,816
  5. Step 5: Solve for x
    x = 9,734,303,270,335,266,816/3,564,851,988.96
  6. Step 6: Final answer
    x = 2,730,633,221.37

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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.