Home / 918,267,497.80-1,378,836,137.40-530,847,008.80

Finding the Fourth Proportional to 918,267,497.80, 1,378,836,137.40 and 530,847,008.80

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Solution

The fourth proportional to 918,267,497.80, 1,378,836,137.40 and 530,847,008.80 is: 797,100,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,267,497.80 : 1,378,836,137.40 = 530,847,008.80 : x
  2. Step 2: Convert to fraction form
    918,267,497.80/1,378,836,137.40 = 530,847,008.80/x
  3. Step 3: Cross multiply
    918,267,497.80x = 1,378,836,137.40 × 530,847,008.80
  4. Step 4: Simplify right side
    918,267,497.80x = 731,951,039,164,135,936
  5. Step 5: Solve for x
    x = 731,951,039,164,135,936/918,267,497.80
  6. Step 6: Final answer
    x = 797,100,018.15

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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.