Home / 628,369,143.52-941,906,986.24-278,779,848

Finding the Fourth Proportional to 628,369,143.52, 941,906,986.24 and 278,779,848

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Solution

The fourth proportional to 628,369,143.52, 941,906,986.24 and 278,779,848 is: 417,882,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,369,143.52 : 941,906,986.24 = 278,779,848 : x
  2. Step 2: Convert to fraction form
    628,369,143.52/941,906,986.24 = 278,779,848/x
  3. Step 3: Cross multiply
    628,369,143.52x = 941,906,986.24 × 278,779,848
  4. Step 4: Simplify right side
    628,369,143.52x = 262,584,686,454,125,280
  5. Step 5: Solve for x
    x = 262,584,686,454,125,280/628,369,143.52
  6. Step 6: Final answer
    x = 417,882,846.67

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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.