Home / 876,244,319,069.04-1,209,216,243,217.90-490,871,377,618.72

Finding the Fourth Proportional to 876,244,319,069.04, 1,209,216,243,217.90 and 490,871,377,618.72

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Solution

The fourth proportional to 876,244,319,069.04, 1,209,216,243,217.90 and 490,871,377,618.72 is: 677,401,987,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,244,319,069.04 : 1,209,216,243,217.90 = 490,871,377,618.72 : x
  2. Step 2: Convert to fraction form
    876,244,319,069.04/1,209,216,243,217.90 = 490,871,377,618.72/x
  3. Step 3: Cross multiply
    876,244,319,069.04x = 1,209,216,243,217.90 × 490,871,377,618.72
  4. Step 4: Simplify right side
    876,244,319,069.04x = 593,569,643,147,303,680,212,992
  5. Step 5: Solve for x
    x = 593,569,643,147,303,680,212,992/876,244,319,069.04
  6. Step 6: Final answer
    x = 677,401,987,356.61

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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.