Home / 1,120,292,930.80-1,680,439,396.20-793,137,851.20

Finding the Fourth Proportional to 1,120,292,930.80, 1,680,439,396.20 and 793,137,851.20

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Solution

The fourth proportional to 1,120,292,930.80, 1,680,439,396.20 and 793,137,851.20 is: 1,189,706,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,292,930.80 : 1,680,439,396.20 = 793,137,851.20 : x
  2. Step 2: Convert to fraction form
    1,120,292,930.80/1,680,439,396.20 = 793,137,851.20/x
  3. Step 3: Cross multiply
    1,120,292,930.80x = 1,680,439,396.20 × 793,137,851.20
  4. Step 4: Simplify right side
    1,120,292,930.80x = 1,332,820,091,773,893,632
  5. Step 5: Solve for x
    x = 1,332,820,091,773,893,632/1,120,292,930.80
  6. Step 6: Final answer
    x = 1,189,706,776.80

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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.