Home / 378,612,603.27-568,118,859.58-268,658,768.47

Finding the Fourth Proportional to 378,612,603.27, 568,118,859.58 and 268,658,768.47

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Solution

The fourth proportional to 378,612,603.27, 568,118,859.58 and 268,658,768.47 is: 403,130,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,612,603.27 : 568,118,859.58 = 268,658,768.47 : x
  2. Step 2: Convert to fraction form
    378,612,603.27/568,118,859.58 = 268,658,768.47/x
  3. Step 3: Cross multiply
    378,612,603.27x = 568,118,859.58 × 268,658,768.47
  4. Step 4: Simplify right side
    378,612,603.27x = 152,630,113,159,327,264
  5. Step 5: Solve for x
    x = 152,630,113,159,327,264/378,612,603.27
  6. Step 6: Final answer
    x = 403,130,038.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.