Home / 761,036,753.28-1,050,212,855.04-447,791,255.04

Finding the Fourth Proportional to 761,036,753.28, 1,050,212,855.04 and 447,791,255.04

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Solution

The fourth proportional to 761,036,753.28, 1,050,212,855.04 and 447,791,255.04 is: 617,941,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,036,753.28 : 1,050,212,855.04 = 447,791,255.04 : x
  2. Step 2: Convert to fraction form
    761,036,753.28/1,050,212,855.04 = 447,791,255.04/x
  3. Step 3: Cross multiply
    761,036,753.28x = 1,050,212,855.04 × 447,791,255.04
  4. Step 4: Simplify right side
    761,036,753.28x = 470,276,132,417,503,168
  5. Step 5: Solve for x
    x = 470,276,132,417,503,168/761,036,753.28
  6. Step 6: Final answer
    x = 617,941,420.56

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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.