Home / 1,179,199,988.68-1,768,736,179.50-361,314,658.12

Finding the Fourth Proportional to 1,179,199,988.68, 1,768,736,179.50 and 361,314,658.12

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Solution

The fourth proportional to 1,179,199,988.68, 1,768,736,179.50 and 361,314,658.12 is: 541,952,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,199,988.68 : 1,768,736,179.50 = 361,314,658.12 : x
  2. Step 2: Convert to fraction form
    1,179,199,988.68/1,768,736,179.50 = 361,314,658.12/x
  3. Step 3: Cross multiply
    1,179,199,988.68x = 1,768,736,179.50 × 361,314,658.12
  4. Step 4: Simplify right side
    1,179,199,988.68x = 639,070,308,000,517,504
  5. Step 5: Solve for x
    x = 639,070,308,000,517,504/1,179,199,988.68
  6. Step 6: Final answer
    x = 541,952,437.36

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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.