Home / 661,808,160.44-913,265,801.25-379,348,105.13

Finding the Fourth Proportional to 661,808,160.44, 913,265,801.25 and 379,348,105.13

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Solution

The fourth proportional to 661,808,160.44, 913,265,801.25 and 379,348,105.13 is: 523,483,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,808,160.44 : 913,265,801.25 = 379,348,105.13 : x
  2. Step 2: Convert to fraction form
    661,808,160.44/913,265,801.25 = 379,348,105.13/x
  3. Step 3: Cross multiply
    661,808,160.44x = 913,265,801.25 × 379,348,105.13
  4. Step 4: Simplify right side
    661,808,160.44x = 346,445,651,184,218,688
  5. Step 5: Solve for x
    x = 346,445,651,184,218,688/661,808,160.44
  6. Step 6: Final answer
    x = 523,483,498.53

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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.