Home / 778,286,868,850.60-1,167,606,340,482.50-420,131,155,449.04

Finding the Fourth Proportional to 778,286,868,850.60, 1,167,606,340,482.50 and 420,131,155,449.04

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Solution

The fourth proportional to 778,286,868,850.60, 1,167,606,340,482.50 and 420,131,155,449.04 is: 630,291,760,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,286,868,850.60 : 1,167,606,340,482.50 = 420,131,155,449.04 : x
  2. Step 2: Convert to fraction form
    778,286,868,850.60/1,167,606,340,482.50 = 420,131,155,449.04/x
  3. Step 3: Cross multiply
    778,286,868,850.60x = 1,167,606,340,482.50 × 420,131,155,449.04
  4. Step 4: Simplify right side
    778,286,868,850.60x = 490,547,800,936,537,932,169,216
  5. Step 5: Solve for x
    x = 490,547,800,936,537,932,169,216/778,286,868,850.60
  6. Step 6: Final answer
    x = 630,291,760,750.11

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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.