Home / 986,901,205.80-1,480,351,808.70-793,190,961.30

Finding the Fourth Proportional to 986,901,205.80, 1,480,351,808.70 and 793,190,961.30

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Solution

The fourth proportional to 986,901,205.80, 1,480,351,808.70 and 793,190,961.30 is: 1,189,786,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,901,205.80 : 1,480,351,808.70 = 793,190,961.30 : x
  2. Step 2: Convert to fraction form
    986,901,205.80/1,480,351,808.70 = 793,190,961.30/x
  3. Step 3: Cross multiply
    986,901,205.80x = 1,480,351,808.70 × 793,190,961.30
  4. Step 4: Simplify right side
    986,901,205.80x = 1,174,201,674,204,946,688
  5. Step 5: Solve for x
    x = 1,174,201,674,204,946,688/986,901,205.80
  6. Step 6: Final answer
    x = 1,189,786,441.95

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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.