Home / 882,886,270.34-1,218,438,086.71-486,409,177.82

Finding the Fourth Proportional to 882,886,270.34, 1,218,438,086.71 and 486,409,177.82

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Solution

The fourth proportional to 882,886,270.34, 1,218,438,086.71 and 486,409,177.82 is: 671,274,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,886,270.34 : 1,218,438,086.71 = 486,409,177.82 : x
  2. Step 2: Convert to fraction form
    882,886,270.34/1,218,438,086.71 = 486,409,177.82/x
  3. Step 3: Cross multiply
    882,886,270.34x = 1,218,438,086.71 × 486,409,177.82
  4. Step 4: Simplify right side
    882,886,270.34x = 592,659,467,981,185,024
  5. Step 5: Solve for x
    x = 592,659,467,981,185,024/882,886,270.34
  6. Step 6: Final answer
    x = 671,274,985.12

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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.