Home / 708,403,701.22-977,476,034.91-410,977,763.31

Finding the Fourth Proportional to 708,403,701.22, 977,476,034.91 and 410,977,763.31

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Solution

The fourth proportional to 708,403,701.22, 977,476,034.91 and 410,977,763.31 is: 567,079,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,403,701.22 : 977,476,034.91 = 410,977,763.31 : x
  2. Step 2: Convert to fraction form
    708,403,701.22/977,476,034.91 = 410,977,763.31/x
  3. Step 3: Cross multiply
    708,403,701.22x = 977,476,034.91 × 410,977,763.31
  4. Step 4: Simplify right side
    708,403,701.22x = 401,720,914,509,497,024
  5. Step 5: Solve for x
    x = 401,720,914,509,497,024/708,403,701.22
  6. Step 6: Final answer
    x = 567,079,073.44

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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.