Home / 379,465,671.49-523,664,032.85-220,733,881.26

Finding the Fourth Proportional to 379,465,671.49, 523,664,032.85 and 220,733,881.26

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Solution

The fourth proportional to 379,465,671.49, 523,664,032.85 and 220,733,881.26 is: 304,613,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,465,671.49 : 523,664,032.85 = 220,733,881.26 : x
  2. Step 2: Convert to fraction form
    379,465,671.49/523,664,032.85 = 220,733,881.26/x
  3. Step 3: Cross multiply
    379,465,671.49x = 523,664,032.85 × 220,733,881.26
  4. Step 4: Simplify right side
    379,465,671.49x = 115,590,394,445,417,232
  5. Step 5: Solve for x
    x = 115,590,394,445,417,232/379,465,671.49
  6. Step 6: Final answer
    x = 304,613,574.11

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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.