Home / 334,078,477.20-501,117,715.80-298,932,512.40

Finding the Fourth Proportional to 334,078,477.20, 501,117,715.80 and 298,932,512.40

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Solution

The fourth proportional to 334,078,477.20, 501,117,715.80 and 298,932,512.40 is: 448,398,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,078,477.20 : 501,117,715.80 = 298,932,512.40 : x
  2. Step 2: Convert to fraction form
    334,078,477.20/501,117,715.80 = 298,932,512.40/x
  3. Step 3: Cross multiply
    334,078,477.20x = 501,117,715.80 × 298,932,512.40
  4. Step 4: Simplify right side
    334,078,477.20x = 149,800,377,792,243,168
  5. Step 5: Solve for x
    x = 149,800,377,792,243,168/334,078,477.20
  6. Step 6: Final answer
    x = 448,398,768.60

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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.