Home / 418,903,593,439.45-628,355,398,462.95-100,549,792,163.82

Finding the Fourth Proportional to 418,903,593,439.45, 628,355,398,462.95 and 100,549,792,163.82

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Solution

The fourth proportional to 418,903,593,439.45, 628,355,398,462.95 and 100,549,792,163.82 is: 150,824,690,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,593,439.45 : 628,355,398,462.95 = 100,549,792,163.82 : x
  2. Step 2: Convert to fraction form
    418,903,593,439.45/628,355,398,462.95 = 100,549,792,163.82/x
  3. Step 3: Cross multiply
    418,903,593,439.45x = 628,355,398,462.95 × 100,549,792,163.82
  4. Step 4: Simplify right side
    418,903,593,439.45x = 63,181,004,720,463,924,953,088
  5. Step 5: Solve for x
    x = 63,181,004,720,463,924,953,088/418,903,593,439.45
  6. Step 6: Final answer
    x = 150,824,690,238.89

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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.