Home / 626,629,801.52-864,697,149.96-344,357,400.08

Finding the Fourth Proportional to 626,629,801.52, 864,697,149.96 and 344,357,400.08

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Solution

The fourth proportional to 626,629,801.52, 864,697,149.96 and 344,357,400.08 is: 475,184,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,629,801.52 : 864,697,149.96 = 344,357,400.08 : x
  2. Step 2: Convert to fraction form
    626,629,801.52/864,697,149.96 = 344,357,400.08/x
  3. Step 3: Cross multiply
    626,629,801.52x = 864,697,149.96 × 344,357,400.08
  4. Step 4: Simplify right side
    626,629,801.52x = 297,764,862,416,811,456
  5. Step 5: Solve for x
    x = 297,764,862,416,811,456/626,629,801.52
  6. Step 6: Final answer
    x = 475,184,649.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.