Home / 324,773,206.20-487,159,809.30-315,207,268.20

Finding the Fourth Proportional to 324,773,206.20, 487,159,809.30 and 315,207,268.20

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Solution

The fourth proportional to 324,773,206.20, 487,159,809.30 and 315,207,268.20 is: 472,810,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,773,206.20 : 487,159,809.30 = 315,207,268.20 : x
  2. Step 2: Convert to fraction form
    324,773,206.20/487,159,809.30 = 315,207,268.20/x
  3. Step 3: Cross multiply
    324,773,206.20x = 487,159,809.30 × 315,207,268.20
  4. Step 4: Simplify right side
    324,773,206.20x = 153,556,312,666,285,952
  5. Step 5: Solve for x
    x = 153,556,312,666,285,952/324,773,206.20
  6. Step 6: Final answer
    x = 472,810,902.30

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Similar ratio
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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.