Home / 611,069,488,710.57-843,320,464,039.27-354,218,696,485.29

Finding the Fourth Proportional to 611,069,488,710.57, 843,320,464,039.27 and 354,218,696,485.29

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Solution

The fourth proportional to 611,069,488,710.57, 843,320,464,039.27 and 354,218,696,485.29 is: 488,847,636,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,069,488,710.57 : 843,320,464,039.27 = 354,218,696,485.29 : x
  2. Step 2: Convert to fraction form
    611,069,488,710.57/843,320,464,039.27 = 354,218,696,485.29/x
  3. Step 3: Cross multiply
    611,069,488,710.57x = 843,320,464,039.27 × 354,218,696,485.29
  4. Step 4: Simplify right side
    611,069,488,710.57x = 298,719,875,491,360,086,687,744
  5. Step 5: Solve for x
    x = 298,719,875,491,360,086,687,744/611,069,488,710.57
  6. Step 6: Final answer
    x = 488,847,636,823.92

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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.