Home / 1,704,653,438.80-2,556,980,158.20-786,323,390.80

Finding the Fourth Proportional to 1,704,653,438.80, 2,556,980,158.20 and 786,323,390.80

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Solution

The fourth proportional to 1,704,653,438.80, 2,556,980,158.20 and 786,323,390.80 is: 1,179,485,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,653,438.80 : 2,556,980,158.20 = 786,323,390.80 : x
  2. Step 2: Convert to fraction form
    1,704,653,438.80/2,556,980,158.20 = 786,323,390.80/x
  3. Step 3: Cross multiply
    1,704,653,438.80x = 2,556,980,158.20 × 786,323,390.80
  4. Step 4: Simplify right side
    1,704,653,438.80x = 2,010,613,308,204,144,128
  5. Step 5: Solve for x
    x = 2,010,613,308,204,144,128/1,704,653,438.80
  6. Step 6: Final answer
    x = 1,179,485,086.20

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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.