Home / 465,521,025.36-697,491,347.40-280,900,587

Finding the Fourth Proportional to 465,521,025.36, 697,491,347.40 and 280,900,587

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Solution

The fourth proportional to 465,521,025.36, 697,491,347.40 and 280,900,587 is: 420,874,070.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,521,025.36 : 697,491,347.40 = 280,900,587 : x
  2. Step 2: Convert to fraction form
    465,521,025.36/697,491,347.40 = 280,900,587/x
  3. Step 3: Cross multiply
    465,521,025.36x = 697,491,347.40 × 280,900,587
  4. Step 4: Simplify right side
    465,521,025.36x = 195,925,728,912,080,928
  5. Step 5: Solve for x
    x = 195,925,728,912,080,928/465,521,025.36
  6. Step 6: Final answer
    x = 420,874,070.64

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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.