Home / 918,267,494.80-1,378,836,132.90-530,847,005.80

Finding the Fourth Proportional to 918,267,494.80, 1,378,836,132.90 and 530,847,005.80

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Solution

The fourth proportional to 918,267,494.80, 1,378,836,132.90 and 530,847,005.80 is: 797,100,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,267,494.80 : 1,378,836,132.90 = 530,847,005.80 : x
  2. Step 2: Convert to fraction form
    918,267,494.80/1,378,836,132.90 = 530,847,005.80/x
  3. Step 3: Cross multiply
    918,267,494.80x = 1,378,836,132.90 × 530,847,005.80
  4. Step 4: Simplify right side
    918,267,494.80x = 731,951,032,638,816,000
  5. Step 5: Solve for x
    x = 731,951,032,638,816,000/918,267,494.80
  6. Step 6: Final answer
    x = 797,100,013.65

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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.