Home / 702,260,440.18-969,119,324.37-420,002,837.35

Finding the Fourth Proportional to 702,260,440.18, 969,119,324.37 and 420,002,837.35

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Solution

The fourth proportional to 702,260,440.18, 969,119,324.37 and 420,002,837.35 is: 579,603,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,260,440.18 : 969,119,324.37 = 420,002,837.35 : x
  2. Step 2: Convert to fraction form
    702,260,440.18/969,119,324.37 = 420,002,837.35/x
  3. Step 3: Cross multiply
    702,260,440.18x = 969,119,324.37 × 420,002,837.35
  4. Step 4: Simplify right side
    702,260,440.18x = 407,032,865,963,692,224
  5. Step 5: Solve for x
    x = 407,032,865,963,692,224/702,260,440.18
  6. Step 6: Final answer
    x = 579,603,865.85

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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.