Home / 1,448,534,768.40-2,172,802,152.60-528,441,123.60

Finding the Fourth Proportional to 1,448,534,768.40, 2,172,802,152.60 and 528,441,123.60

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Solution

The fourth proportional to 1,448,534,768.40, 2,172,802,152.60 and 528,441,123.60 is: 792,661,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,534,768.40 : 2,172,802,152.60 = 528,441,123.60 : x
  2. Step 2: Convert to fraction form
    1,448,534,768.40/2,172,802,152.60 = 528,441,123.60/x
  3. Step 3: Cross multiply
    1,448,534,768.40x = 2,172,802,152.60 × 528,441,123.60
  4. Step 4: Simplify right side
    1,448,534,768.40x = 1,148,198,010,880,442,624
  5. Step 5: Solve for x
    x = 1,148,198,010,880,442,624/1,448,534,768.40
  6. Step 6: Final answer
    x = 792,661,685.40

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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.