Home / 442,868,408.30-664,302,612.45-328,077,152.30

Finding the Fourth Proportional to 442,868,408.30, 664,302,612.45 and 328,077,152.30

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Solution

The fourth proportional to 442,868,408.30, 664,302,612.45 and 328,077,152.30 is: 492,115,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,408.30 : 664,302,612.45 = 328,077,152.30 : x
  2. Step 2: Convert to fraction form
    442,868,408.30/664,302,612.45 = 328,077,152.30/x
  3. Step 3: Cross multiply
    442,868,408.30x = 664,302,612.45 × 328,077,152.30
  4. Step 4: Simplify right side
    442,868,408.30x = 217,942,509,358,046,560
  5. Step 5: Solve for x
    x = 217,942,509,358,046,560/442,868,408.30
  6. Step 6: Final answer
    x = 492,115,728.45

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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.