Home / 470,080,695.60-705,121,043.40-286,144,081.20

Finding the Fourth Proportional to 470,080,695.60, 705,121,043.40 and 286,144,081.20

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Solution

The fourth proportional to 470,080,695.60, 705,121,043.40 and 286,144,081.20 is: 429,216,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,080,695.60 : 705,121,043.40 = 286,144,081.20 : x
  2. Step 2: Convert to fraction form
    470,080,695.60/705,121,043.40 = 286,144,081.20/x
  3. Step 3: Cross multiply
    470,080,695.60x = 705,121,043.40 × 286,144,081.20
  4. Step 4: Simplify right side
    470,080,695.60x = 201,766,213,098,478,304
  5. Step 5: Solve for x
    x = 201,766,213,098,478,304/470,080,695.60
  6. Step 6: Final answer
    x = 429,216,121.80

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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.