Home / 2,979,928,958.96-4,111,653,407.64-1,806,795,565.04

Finding the Fourth Proportional to 2,979,928,958.96, 4,111,653,407.64 and 1,806,795,565.04

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Solution

The fourth proportional to 2,979,928,958.96, 4,111,653,407.64 and 1,806,795,565.04 is: 2,492,984,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,928,958.96 : 4,111,653,407.64 = 1,806,795,565.04 : x
  2. Step 2: Convert to fraction form
    2,979,928,958.96/4,111,653,407.64 = 1,806,795,565.04/x
  3. Step 3: Cross multiply
    2,979,928,958.96x = 4,111,653,407.64 × 1,806,795,565.04
  4. Step 4: Simplify right side
    2,979,928,958.96x = 7,428,917,141,905,554,432
  5. Step 5: Solve for x
    x = 7,428,917,141,905,554,432/2,979,928,958.96
  6. Step 6: Final answer
    x = 2,492,984,646.35

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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.