Home / 3,229,690,128.80-4,846,802,674.80-1,390,762,551.20

Finding the Fourth Proportional to 3,229,690,128.80, 4,846,802,674.80 and 1,390,762,551.20

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Solution

The fourth proportional to 3,229,690,128.80, 4,846,802,674.80 and 1,390,762,551.20 is: 2,087,120,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229,690,128.80 : 4,846,802,674.80 = 1,390,762,551.20 : x
  2. Step 2: Convert to fraction form
    3,229,690,128.80/4,846,802,674.80 = 1,390,762,551.20/x
  3. Step 3: Cross multiply
    3,229,690,128.80x = 4,846,802,674.80 × 1,390,762,551.20
  4. Step 4: Simplify right side
    3,229,690,128.80x = 6,740,751,653,167,832,064
  5. Step 5: Solve for x
    x = 6,740,751,653,167,832,064/3,229,690,128.80
  6. Step 6: Final answer
    x = 2,087,120,245.08

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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.