Home / 822,830,144,264.49-1,234,404,162,739.20-312,849,259,174.95

Finding the Fourth Proportional to 822,830,144,264.49, 1,234,404,162,739.20 and 312,849,259,174.95

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Solution

The fourth proportional to 822,830,144,264.49, 1,234,404,162,739.20 and 312,849,259,174.95 is: 469,334,321,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,830,144,264.49 : 1,234,404,162,739.20 = 312,849,259,174.95 : x
  2. Step 2: Convert to fraction form
    822,830,144,264.49/1,234,404,162,739.20 = 312,849,259,174.95/x
  3. Step 3: Cross multiply
    822,830,144,264.49x = 1,234,404,162,739.20 × 312,849,259,174.95
  4. Step 4: Simplify right side
    822,830,144,264.49x = 386,182,427,835,433,123,577,856
  5. Step 5: Solve for x
    x = 386,182,427,835,433,123,577,856/822,830,144,264.49
  6. Step 6: Final answer
    x = 469,334,321,946.40

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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.