Home / 664,760,131.08-917,482,895.37-386,463,079.82

Finding the Fourth Proportional to 664,760,131.08, 917,482,895.37 and 386,463,079.82

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Solution

The fourth proportional to 664,760,131.08, 917,482,895.37 and 386,463,079.82 is: 533,385,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,760,131.08 : 917,482,895.37 = 386,463,079.82 : x
  2. Step 2: Convert to fraction form
    664,760,131.08/917,482,895.37 = 386,463,079.82/x
  3. Step 3: Cross multiply
    664,760,131.08x = 917,482,895.37 × 386,463,079.82
  4. Step 4: Simplify right side
    664,760,131.08x = 354,573,265,422,273,600
  5. Step 5: Solve for x
    x = 354,573,265,422,273,600/664,760,131.08
  6. Step 6: Final answer
    x = 533,385,275.15

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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.