Home / 626,234,298.90-864,179,656.20-347,793,758.52

Finding the Fourth Proportional to 626,234,298.90, 864,179,656.20 and 347,793,758.52

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Solution

The fourth proportional to 626,234,298.90, 864,179,656.20 and 347,793,758.52 is: 479,942,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,234,298.90 : 864,179,656.20 = 347,793,758.52 : x
  2. Step 2: Convert to fraction form
    626,234,298.90/864,179,656.20 = 347,793,758.52/x
  3. Step 3: Cross multiply
    626,234,298.90x = 864,179,656.20 × 347,793,758.52
  4. Step 4: Simplify right side
    626,234,298.90x = 300,556,290,666,319,424
  5. Step 5: Solve for x
    x = 300,556,290,666,319,424/626,234,298.90
  6. Step 6: Final answer
    x = 479,942,237.58

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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.