Home / 808,454,449.20-1,212,681,673.80-785,779,633.20

Finding the Fourth Proportional to 808,454,449.20, 1,212,681,673.80 and 785,779,633.20

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Solution

The fourth proportional to 808,454,449.20, 1,212,681,673.80 and 785,779,633.20 is: 1,178,669,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,454,449.20 : 1,212,681,673.80 = 785,779,633.20 : x
  2. Step 2: Convert to fraction form
    808,454,449.20/1,212,681,673.80 = 785,779,633.20/x
  3. Step 3: Cross multiply
    808,454,449.20x = 1,212,681,673.80 × 785,779,633.20
  4. Step 4: Simplify right side
    808,454,449.20x = 952,900,560,826,926,080
  5. Step 5: Solve for x
    x = 952,900,560,826,926,080/808,454,449.20
  6. Step 6: Final answer
    x = 1,178,669,449.80

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1.5x scale

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.