Home / 1,056,819,754.80-1,585,229,632.20-280,585,220.40

Finding the Fourth Proportional to 1,056,819,754.80, 1,585,229,632.20 and 280,585,220.40

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Solution

The fourth proportional to 1,056,819,754.80, 1,585,229,632.20 and 280,585,220.40 is: 420,877,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,819,754.80 : 1,585,229,632.20 = 280,585,220.40 : x
  2. Step 2: Convert to fraction form
    1,056,819,754.80/1,585,229,632.20 = 280,585,220.40/x
  3. Step 3: Cross multiply
    1,056,819,754.80x = 1,585,229,632.20 × 280,585,220.40
  4. Step 4: Simplify right side
    1,056,819,754.80x = 444,792,005,735,447,936
  5. Step 5: Solve for x
    x = 444,792,005,735,447,936/1,056,819,754.80
  6. Step 6: Final answer
    x = 420,877,830.60

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1.5x scale

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.