Home / 497,901,386.52-687,414,003.66-316,950,467.16

Finding the Fourth Proportional to 497,901,386.52, 687,414,003.66 and 316,950,467.16

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Solution

The fourth proportional to 497,901,386.52, 687,414,003.66 and 316,950,467.16 is: 437,589,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,901,386.52 : 687,414,003.66 = 316,950,467.16 : x
  2. Step 2: Convert to fraction form
    497,901,386.52/687,414,003.66 = 316,950,467.16/x
  3. Step 3: Cross multiply
    497,901,386.52x = 687,414,003.66 × 316,950,467.16
  4. Step 4: Simplify right side
    497,901,386.52x = 217,876,189,592,362,944
  5. Step 5: Solve for x
    x = 217,876,189,592,362,944/497,901,386.52
  6. Step 6: Final answer
    x = 437,589,039.70

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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.