Home / 890,444,462.95-1,335,871,892.79-308,178,715.33

Finding the Fourth Proportional to 890,444,462.95, 1,335,871,892.79 and 308,178,715.33

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Solution

The fourth proportional to 890,444,462.95, 1,335,871,892.79 and 308,178,715.33 is: 462,339,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,444,462.95 : 1,335,871,892.79 = 308,178,715.33 : x
  2. Step 2: Convert to fraction form
    890,444,462.95/1,335,871,892.79 = 308,178,715.33/x
  3. Step 3: Cross multiply
    890,444,462.95x = 1,335,871,892.79 × 308,178,715.33
  4. Step 4: Simplify right side
    890,444,462.95x = 411,687,283,767,147,520
  5. Step 5: Solve for x
    x = 411,687,283,767,147,520/890,444,462.95
  6. Step 6: Final answer
    x = 462,339,091.20

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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.