Home / 551,738,103.22-761,583,084.88-328,789,697.16

Finding the Fourth Proportional to 551,738,103.22, 761,583,084.88 and 328,789,697.16

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Solution

The fourth proportional to 551,738,103.22, 761,583,084.88 and 328,789,697.16 is: 453,839,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,738,103.22 : 761,583,084.88 = 328,789,697.16 : x
  2. Step 2: Convert to fraction form
    551,738,103.22/761,583,084.88 = 328,789,697.16/x
  3. Step 3: Cross multiply
    551,738,103.22x = 761,583,084.88 × 328,789,697.16
  4. Step 4: Simplify right side
    551,738,103.22x = 250,400,671,843,436,608
  5. Step 5: Solve for x
    x = 250,400,671,843,436,608/551,738,103.22
  6. Step 6: Final answer
    x = 453,839,730.08

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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.