Home / 578,644,426-798,529,618.92-317,900,838.16

Finding the Fourth Proportional to 578,644,426, 798,529,618.92 and 317,900,838.16

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Solution

The fourth proportional to 578,644,426, 798,529,618.92 and 317,900,838.16 is: 438,703,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,644,426 : 798,529,618.92 = 317,900,838.16 : x
  2. Step 2: Convert to fraction form
    578,644,426/798,529,618.92 = 317,900,838.16/x
  3. Step 3: Cross multiply
    578,644,426x = 798,529,618.92 × 317,900,838.16
  4. Step 4: Simplify right side
    578,644,426x = 253,853,235,150,253,408
  5. Step 5: Solve for x
    x = 253,853,235,150,253,408/578,644,426
  6. Step 6: Final answer
    x = 438,703,327.54

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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.