Home / 1,086,064,280.80-1,629,096,421.20-650,707,813.60

Finding the Fourth Proportional to 1,086,064,280.80, 1,629,096,421.20 and 650,707,813.60

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Solution

The fourth proportional to 1,086,064,280.80, 1,629,096,421.20 and 650,707,813.60 is: 976,061,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,064,280.80 : 1,629,096,421.20 = 650,707,813.60 : x
  2. Step 2: Convert to fraction form
    1,086,064,280.80/1,629,096,421.20 = 650,707,813.60/x
  3. Step 3: Cross multiply
    1,086,064,280.80x = 1,629,096,421.20 × 650,707,813.60
  4. Step 4: Simplify right side
    1,086,064,280.80x = 1,060,065,770,382,636,800
  5. Step 5: Solve for x
    x = 1,060,065,770,382,636,800/1,086,064,280.80
  6. Step 6: Final answer
    x = 976,061,720.40

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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.