Home / 398,563,320.98-549,528,732.78-327,751,468.58

Finding the Fourth Proportional to 398,563,320.98, 549,528,732.78 and 327,751,468.58

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Solution

The fourth proportional to 398,563,320.98, 549,528,732.78 and 327,751,468.58 is: 451,895,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,563,320.98 : 549,528,732.78 = 327,751,468.58 : x
  2. Step 2: Convert to fraction form
    398,563,320.98/549,528,732.78 = 327,751,468.58/x
  3. Step 3: Cross multiply
    398,563,320.98x = 549,528,732.78 × 327,751,468.58
  4. Step 4: Simplify right side
    398,563,320.98x = 180,108,849,192,803,712
  5. Step 5: Solve for x
    x = 180,108,849,192,803,712/398,563,320.98
  6. Step 6: Final answer
    x = 451,895,193.85

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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.