Home / 1,149,554,523.40-1,724,331,785.10-665,825,115.40

Finding the Fourth Proportional to 1,149,554,523.40, 1,724,331,785.10 and 665,825,115.40

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Solution

The fourth proportional to 1,149,554,523.40, 1,724,331,785.10 and 665,825,115.40 is: 998,737,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,554,523.40 : 1,724,331,785.10 = 665,825,115.40 : x
  2. Step 2: Convert to fraction form
    1,149,554,523.40/1,724,331,785.10 = 665,825,115.40/x
  3. Step 3: Cross multiply
    1,149,554,523.40x = 1,724,331,785.10 × 665,825,115.40
  4. Step 4: Simplify right side
    1,149,554,523.40x = 1,148,103,409,802,095,360
  5. Step 5: Solve for x
    x = 1,148,103,409,802,095,360/1,149,554,523.40
  6. Step 6: Final answer
    x = 998,737,673.10

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Half scale
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Double scale
Find fourth proportional to 1,149,554,524.40, 1,724,331,786.60 and 665,825,116.40
Similar ratio
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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.