Home / 771,122,022.98-1,064,149,651.62-418,698,695.30

Finding the Fourth Proportional to 771,122,022.98, 1,064,149,651.62 and 418,698,695.30

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Solution

The fourth proportional to 771,122,022.98, 1,064,149,651.62 and 418,698,695.30 is: 577,804,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,122,022.98 : 1,064,149,651.62 = 418,698,695.30 : x
  2. Step 2: Convert to fraction form
    771,122,022.98/1,064,149,651.62 = 418,698,695.30/x
  3. Step 3: Cross multiply
    771,122,022.98x = 1,064,149,651.62 × 418,698,695.30
  4. Step 4: Simplify right side
    771,122,022.98x = 445,558,070,731,922,816
  5. Step 5: Solve for x
    x = 445,558,070,731,922,816/771,122,022.98
  6. Step 6: Final answer
    x = 577,804,883.61

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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.