Home / 771,008,820.66-1,062,964,531.17-612,767,342.16

Finding the Fourth Proportional to 771,008,820.66, 1,062,964,531.17 and 612,767,342.16

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Solution

The fourth proportional to 771,008,820.66, 1,062,964,531.17 and 612,767,342.16 is: 844,802,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,008,820.66 : 1,062,964,531.17 = 612,767,342.16 : x
  2. Step 2: Convert to fraction form
    771,008,820.66/1,062,964,531.17 = 612,767,342.16/x
  3. Step 3: Cross multiply
    771,008,820.66x = 1,062,964,531.17 × 612,767,342.16
  4. Step 4: Simplify right side
    771,008,820.66x = 651,349,950,575,391,360
  5. Step 5: Solve for x
    x = 651,349,950,575,391,360/771,008,820.66
  6. Step 6: Final answer
    x = 844,802,203.45

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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.