Home / 470,080,695.10-705,121,042.65-286,144,080.70

Finding the Fourth Proportional to 470,080,695.10, 705,121,042.65 and 286,144,080.70

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Solution

The fourth proportional to 470,080,695.10, 705,121,042.65 and 286,144,080.70 is: 429,216,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,080,695.10 : 705,121,042.65 = 286,144,080.70 : x
  2. Step 2: Convert to fraction form
    470,080,695.10/705,121,042.65 = 286,144,080.70/x
  3. Step 3: Cross multiply
    470,080,695.10x = 705,121,042.65 × 286,144,080.70
  4. Step 4: Simplify right side
    470,080,695.10x = 201,766,212,531,309,728
  5. Step 5: Solve for x
    x = 201,766,212,531,309,728/470,080,695.10
  6. Step 6: Final answer
    x = 429,216,121.05

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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.