Home / 918,120,700.05-1,377,181,050.08-909,511,355.85

Finding the Fourth Proportional to 918,120,700.05, 1,377,181,050.08 and 909,511,355.85

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Solution

The fourth proportional to 918,120,700.05, 1,377,181,050.08 and 909,511,355.85 is: 1,364,267,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,120,700.05 : 1,377,181,050.08 = 909,511,355.85 : x
  2. Step 2: Convert to fraction form
    918,120,700.05/1,377,181,050.08 = 909,511,355.85/x
  3. Step 3: Cross multiply
    918,120,700.05x = 1,377,181,050.08 × 909,511,355.85
  4. Step 4: Simplify right side
    918,120,700.05x = 1,252,561,804,104,640,000
  5. Step 5: Solve for x
    x = 1,252,561,804,104,640,000/918,120,700.05
  6. Step 6: Final answer
    x = 1,364,267,033.78

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Double scale
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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.