Home / 817,890,696.90-1,226,804,552.55-272,632,230.90

Finding the Fourth Proportional to 817,890,696.90, 1,226,804,552.55 and 272,632,230.90

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Solution

The fourth proportional to 817,890,696.90, 1,226,804,552.55 and 272,632,230.90 is: 408,937,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,890,696.90 : 1,226,804,552.55 = 272,632,230.90 : x
  2. Step 2: Convert to fraction form
    817,890,696.90/1,226,804,552.55 = 272,632,230.90/x
  3. Step 3: Cross multiply
    817,890,696.90x = 1,226,804,552.55 × 272,632,230.90
  4. Step 4: Simplify right side
    817,890,696.90x = 334,466,462,039,982,720
  5. Step 5: Solve for x
    x = 334,466,462,039,982,720/817,890,696.90
  6. Step 6: Final answer
    x = 408,937,848.67

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1.5x scale

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.