Home / 452,396,273.40-678,594,410.10-280,209,389.40

Finding the Fourth Proportional to 452,396,273.40, 678,594,410.10 and 280,209,389.40

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Solution

The fourth proportional to 452,396,273.40, 678,594,410.10 and 280,209,389.40 is: 420,314,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,396,273.40 : 678,594,410.10 = 280,209,389.40 : x
  2. Step 2: Convert to fraction form
    452,396,273.40/678,594,410.10 = 280,209,389.40/x
  3. Step 3: Cross multiply
    452,396,273.40x = 678,594,410.10 × 280,209,389.40
  4. Step 4: Simplify right side
    452,396,273.40x = 190,148,525,304,374,176
  5. Step 5: Solve for x
    x = 190,148,525,304,374,176/452,396,273.40
  6. Step 6: Final answer
    x = 420,314,084.10

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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.