Home / 661,808,156.94-913,265,796.42-379,348,101.63

Finding the Fourth Proportional to 661,808,156.94, 913,265,796.42 and 379,348,101.63

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Solution

The fourth proportional to 661,808,156.94, 913,265,796.42 and 379,348,101.63 is: 523,483,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,808,156.94 : 913,265,796.42 = 379,348,101.63 : x
  2. Step 2: Convert to fraction form
    661,808,156.94/913,265,796.42 = 379,348,101.63/x
  3. Step 3: Cross multiply
    661,808,156.94x = 913,265,796.42 × 379,348,101.63
  4. Step 4: Simplify right side
    661,808,156.94x = 346,445,646,155,537,024
  5. Step 5: Solve for x
    x = 346,445,646,155,537,024/661,808,156.94
  6. Step 6: Final answer
    x = 523,483,493.70

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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.