Home / 855,542,292.72-1,281,103,281.78-590,465,948.05

Finding the Fourth Proportional to 855,542,292.72, 1,281,103,281.78 and 590,465,948.05

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Solution

The fourth proportional to 855,542,292.72, 1,281,103,281.78 and 590,465,948.05 is: 884,173,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,542,292.72 : 1,281,103,281.78 = 590,465,948.05 : x
  2. Step 2: Convert to fraction form
    855,542,292.72/1,281,103,281.78 = 590,465,948.05/x
  3. Step 3: Cross multiply
    855,542,292.72x = 1,281,103,281.78 × 590,465,948.05
  4. Step 4: Simplify right side
    855,542,292.72x = 756,447,863,826,193,920
  5. Step 5: Solve for x
    x = 756,447,863,826,193,920/855,542,292.72
  6. Step 6: Final answer
    x = 884,173,547.31

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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.