Home / 3,988,052,978.64-5,976,732,254.04-3,103,806,063.12

Finding the Fourth Proportional to 3,988,052,978.64, 5,976,732,254.04 and 3,103,806,063.12

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Solution

The fourth proportional to 3,988,052,978.64, 5,976,732,254.04 and 3,103,806,063.12 is: 4,651,547,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,052,978.64 : 5,976,732,254.04 = 3,103,806,063.12 : x
  2. Step 2: Convert to fraction form
    3,988,052,978.64/5,976,732,254.04 = 3,103,806,063.12/x
  3. Step 3: Cross multiply
    3,988,052,978.64x = 5,976,732,254.04 × 3,103,806,063.12
  4. Step 4: Simplify right side
    3,988,052,978.64x = 18,550,617,807,734,214,656
  5. Step 5: Solve for x
    x = 18,550,617,807,734,214,656/3,988,052,978.64
  6. Step 6: Final answer
    x = 4,651,547,486.23

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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.