Home / 1,255,248,146.80-1,882,872,220.24-711,052,562.80

Finding the Fourth Proportional to 1,255,248,146.80, 1,882,872,220.24 and 711,052,562.80

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Solution

The fourth proportional to 1,255,248,146.80, 1,882,872,220.24 and 711,052,562.80 is: 1,066,578,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,248,146.80 : 1,882,872,220.24 = 711,052,562.80 : x
  2. Step 2: Convert to fraction form
    1,255,248,146.80/1,882,872,220.24 = 711,052,562.80/x
  3. Step 3: Cross multiply
    1,255,248,146.80x = 1,882,872,220.24 × 711,052,562.80
  4. Step 4: Simplify right side
    1,255,248,146.80x = 1,338,821,117,626,577,920
  5. Step 5: Solve for x
    x = 1,338,821,117,626,577,920/1,255,248,146.80
  6. Step 6: Final answer
    x = 1,066,578,844.22

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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.