Home / 611,069,488,434.90-843,320,463,658.55-354,218,696,209.62

Finding the Fourth Proportional to 611,069,488,434.90, 843,320,463,658.55 and 354,218,696,209.62

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Solution

The fourth proportional to 611,069,488,434.90, 843,320,463,658.55 and 354,218,696,209.62 is: 488,847,636,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,069,488,434.90 : 843,320,463,658.55 = 354,218,696,209.62 : x
  2. Step 2: Convert to fraction form
    611,069,488,434.90/843,320,463,658.55 = 354,218,696,209.62/x
  3. Step 3: Cross multiply
    611,069,488,434.90x = 843,320,463,658.55 × 354,218,696,209.62
  4. Step 4: Simplify right side
    611,069,488,434.90x = 298,719,875,124,023,814,782,976
  5. Step 5: Solve for x
    x = 298,719,875,124,023,814,782,976/611,069,488,434.90
  6. Step 6: Final answer
    x = 488,847,636,443.31

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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.