Home / 342,552,484.59-472,668,432.63-199,521,787.31

Finding the Fourth Proportional to 342,552,484.59, 472,668,432.63 and 199,521,787.31

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Solution

The fourth proportional to 342,552,484.59, 472,668,432.63 and 199,521,787.31 is: 275,308,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,552,484.59 : 472,668,432.63 = 199,521,787.31 : x
  2. Step 2: Convert to fraction form
    342,552,484.59/472,668,432.63 = 199,521,787.31/x
  3. Step 3: Cross multiply
    342,552,484.59x = 472,668,432.63 × 199,521,787.31
  4. Step 4: Simplify right side
    342,552,484.59x = 94,307,650,483,136,192
  5. Step 5: Solve for x
    x = 94,307,650,483,136,192/342,552,484.59
  6. Step 6: Final answer
    x = 275,308,616.13

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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.