Home / 268,580,658.30-402,870,987.45-200,556,210.30

Finding the Fourth Proportional to 268,580,658.30, 402,870,987.45 and 200,556,210.30

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Solution

The fourth proportional to 268,580,658.30, 402,870,987.45 and 200,556,210.30 is: 300,834,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,580,658.30 : 402,870,987.45 = 200,556,210.30 : x
  2. Step 2: Convert to fraction form
    268,580,658.30/402,870,987.45 = 200,556,210.30/x
  3. Step 3: Cross multiply
    268,580,658.30x = 402,870,987.45 × 200,556,210.30
  4. Step 4: Simplify right side
    268,580,658.30x = 80,798,278,482,790,864
  5. Step 5: Solve for x
    x = 80,798,278,482,790,864/268,580,658.30
  6. Step 6: Final answer
    x = 300,834,315.45

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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.