Home / 347,259,620.12-479,205,875.79-196,549,041.47

Finding the Fourth Proportional to 347,259,620.12, 479,205,875.79 and 196,549,041.47

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Solution

The fourth proportional to 347,259,620.12, 479,205,875.79 and 196,549,041.47 is: 271,230,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,259,620.12 : 479,205,875.79 = 196,549,041.47 : x
  2. Step 2: Convert to fraction form
    347,259,620.12/479,205,875.79 = 196,549,041.47/x
  3. Step 3: Cross multiply
    347,259,620.12x = 479,205,875.79 × 196,549,041.47
  4. Step 4: Simplify right side
    347,259,620.12x = 94,187,455,550,920,352
  5. Step 5: Solve for x
    x = 94,187,455,550,920,352/347,259,620.12
  6. Step 6: Final answer
    x = 271,230,658.84

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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.