Home / 661,808,158.44-913,265,798.49-379,348,103.13

Finding the Fourth Proportional to 661,808,158.44, 913,265,798.49 and 379,348,103.13

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Solution

The fourth proportional to 661,808,158.44, 913,265,798.49 and 379,348,103.13 is: 523,483,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,808,158.44 : 913,265,798.49 = 379,348,103.13 : x
  2. Step 2: Convert to fraction form
    661,808,158.44/913,265,798.49 = 379,348,103.13/x
  3. Step 3: Cross multiply
    661,808,158.44x = 913,265,798.49 × 379,348,103.13
  4. Step 4: Simplify right side
    661,808,158.44x = 346,445,648,310,686,336
  5. Step 5: Solve for x
    x = 346,445,648,310,686,336/661,808,158.44
  6. Step 6: Final answer
    x = 523,483,495.77

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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.