Home / 890,444,446.05-1,335,871,867.41-308,178,698.49

Finding the Fourth Proportional to 890,444,446.05, 1,335,871,867.41 and 308,178,698.49

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Solution

The fourth proportional to 890,444,446.05, 1,335,871,867.41 and 308,178,698.49 is: 462,339,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,444,446.05 : 1,335,871,867.41 = 308,178,698.49 : x
  2. Step 2: Convert to fraction form
    890,444,446.05/1,335,871,867.41 = 308,178,698.49/x
  3. Step 3: Cross multiply
    890,444,446.05x = 1,335,871,867.41 × 308,178,698.49
  4. Step 4: Simplify right side
    890,444,446.05x = 411,687,253,447,819,712
  5. Step 5: Solve for x
    x = 411,687,253,447,819,712/890,444,446.05
  6. Step 6: Final answer
    x = 462,339,065.93

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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.