Home / 811,808,028.95-1,120,295,080.08-440,530,060.33

Finding the Fourth Proportional to 811,808,028.95, 1,120,295,080.08 and 440,530,060.33

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Solution

The fourth proportional to 811,808,028.95, 1,120,295,080.08 and 440,530,060.33 is: 607,931,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,808,028.95 : 1,120,295,080.08 = 440,530,060.33 : x
  2. Step 2: Convert to fraction form
    811,808,028.95/1,120,295,080.08 = 440,530,060.33/x
  3. Step 3: Cross multiply
    811,808,028.95x = 1,120,295,080.08 × 440,530,060.33
  4. Step 4: Simplify right side
    811,808,028.95x = 493,523,659,207,240,448
  5. Step 5: Solve for x
    x = 493,523,659,207,240,448/811,808,028.95
  6. Step 6: Final answer
    x = 607,931,483.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.