Home / 524,016,072.80-786,024,109.20-403,083,720.80

Finding the Fourth Proportional to 524,016,072.80, 786,024,109.20 and 403,083,720.80

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Solution

The fourth proportional to 524,016,072.80, 786,024,109.20 and 403,083,720.80 is: 604,625,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,016,072.80 : 786,024,109.20 = 403,083,720.80 : x
  2. Step 2: Convert to fraction form
    524,016,072.80/786,024,109.20 = 403,083,720.80/x
  3. Step 3: Cross multiply
    524,016,072.80x = 786,024,109.20 × 403,083,720.80
  4. Step 4: Simplify right side
    524,016,072.80x = 316,833,522,574,841,536
  5. Step 5: Solve for x
    x = 316,833,522,574,841,536/524,016,072.80
  6. Step 6: Final answer
    x = 604,625,581.20

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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.