Home / 748,138,845,122.24-1,121,604,357,764.90-687,751,072,136.32

Finding the Fourth Proportional to 748,138,845,122.24, 1,121,604,357,764.90 and 687,751,072,136.32

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Solution

The fourth proportional to 748,138,845,122.24, 1,121,604,357,764.90 and 687,751,072,136.32 is: 1,031,071,444,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,138,845,122.24 : 1,121,604,357,764.90 = 687,751,072,136.32 : x
  2. Step 2: Convert to fraction form
    748,138,845,122.24/1,121,604,357,764.90 = 687,751,072,136.32/x
  3. Step 3: Cross multiply
    748,138,845,122.24x = 1,121,604,357,764.90 × 687,751,072,136.32
  4. Step 4: Simplify right side
    748,138,845,122.24x = 771,384,599,565,578,501,357,568
  5. Step 5: Solve for x
    x = 771,384,599,565,578,501,357,568/748,138,845,122.24
  6. Step 6: Final answer
    x = 1,031,071,444,284.57

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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.