Home / 1,272,320,186.96-1,908,267,684.60-352,289,527.76

Finding the Fourth Proportional to 1,272,320,186.96, 1,908,267,684.60 and 352,289,527.76

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Solution

The fourth proportional to 1,272,320,186.96, 1,908,267,684.60 and 352,289,527.76 is: 528,375,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,320,186.96 : 1,908,267,684.60 = 352,289,527.76 : x
  2. Step 2: Convert to fraction form
    1,272,320,186.96/1,908,267,684.60 = 352,289,527.76/x
  3. Step 3: Cross multiply
    1,272,320,186.96x = 1,908,267,684.60 × 352,289,527.76
  4. Step 4: Simplify right side
    1,272,320,186.96x = 672,262,721,447,402,624
  5. Step 5: Solve for x
    x = 672,262,721,447,402,624/1,272,320,186.96
  6. Step 6: Final answer
    x = 528,375,426.51

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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.