Home / 524,016,080.80-786,024,121.20-403,083,728.80

Finding the Fourth Proportional to 524,016,080.80, 786,024,121.20 and 403,083,728.80

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Solution

The fourth proportional to 524,016,080.80, 786,024,121.20 and 403,083,728.80 is: 604,625,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,016,080.80 : 786,024,121.20 = 403,083,728.80 : x
  2. Step 2: Convert to fraction form
    524,016,080.80/786,024,121.20 = 403,083,728.80/x
  3. Step 3: Cross multiply
    524,016,080.80x = 786,024,121.20 × 403,083,728.80
  4. Step 4: Simplify right side
    524,016,080.80x = 316,833,533,700,039,168
  5. Step 5: Solve for x
    x = 316,833,533,700,039,168/524,016,080.80
  6. Step 6: Final answer
    x = 604,625,593.20

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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.