Home / 817,890,697.90-1,226,804,554.05-272,632,231.90

Finding the Fourth Proportional to 817,890,697.90, 1,226,804,554.05 and 272,632,231.90

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Solution

The fourth proportional to 817,890,697.90, 1,226,804,554.05 and 272,632,231.90 is: 408,937,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,890,697.90 : 1,226,804,554.05 = 272,632,231.90 : x
  2. Step 2: Convert to fraction form
    817,890,697.90/1,226,804,554.05 = 272,632,231.90/x
  3. Step 3: Cross multiply
    817,890,697.90x = 1,226,804,554.05 × 272,632,231.90
  4. Step 4: Simplify right side
    817,890,697.90x = 334,466,463,675,735,616
  5. Step 5: Solve for x
    x = 334,466,463,675,735,616/817,890,697.90
  6. Step 6: Final answer
    x = 408,937,850.17

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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.