Home / 260,760,391,329.90-391,140,586,994.85-216,680,549,025.90

Finding the Fourth Proportional to 260,760,391,329.90, 391,140,586,994.85 and 216,680,549,025.90

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Solution

The fourth proportional to 260,760,391,329.90, 391,140,586,994.85 and 216,680,549,025.90 is: 325,020,823,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,391,329.90 : 391,140,586,994.85 = 216,680,549,025.90 : x
  2. Step 2: Convert to fraction form
    260,760,391,329.90/391,140,586,994.85 = 216,680,549,025.90/x
  3. Step 3: Cross multiply
    260,760,391,329.90x = 391,140,586,994.85 × 216,680,549,025.90
  4. Step 4: Simplify right side
    260,760,391,329.90x = 84,752,557,136,356,887,756,800
  5. Step 5: Solve for x
    x = 84,752,557,136,356,887,756,800/260,760,391,329.90
  6. Step 6: Final answer
    x = 325,020,823,538.85

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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.