Home / 463,030,876.80-638,099,541.95-454,520,181.33

Finding the Fourth Proportional to 463,030,876.80, 638,099,541.95 and 454,520,181.33

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Solution

The fourth proportional to 463,030,876.80, 638,099,541.95 and 454,520,181.33 is: 626,371,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,030,876.80 : 638,099,541.95 = 454,520,181.33 : x
  2. Step 2: Convert to fraction form
    463,030,876.80/638,099,541.95 = 454,520,181.33/x
  3. Step 3: Cross multiply
    463,030,876.80x = 638,099,541.95 × 454,520,181.33
  4. Step 4: Simplify right side
    463,030,876.80x = 290,029,119,511,431,360
  5. Step 5: Solve for x
    x = 290,029,119,511,431,360/463,030,876.80
  6. Step 6: Final answer
    x = 626,371,013.35

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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.