Home / 439,802,739.32-607,033,477.88-251,740,064.20

Finding the Fourth Proportional to 439,802,739.32, 607,033,477.88 and 251,740,064.20

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Solution

The fourth proportional to 439,802,739.32, 607,033,477.88 and 251,740,064.20 is: 347,461,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,802,739.32 : 607,033,477.88 = 251,740,064.20 : x
  2. Step 2: Convert to fraction form
    439,802,739.32/607,033,477.88 = 251,740,064.20/x
  3. Step 3: Cross multiply
    439,802,739.32x = 607,033,477.88 × 251,740,064.20
  4. Step 4: Simplify right side
    439,802,739.32x = 152,814,646,693,060,480
  5. Step 5: Solve for x
    x = 152,814,646,693,060,480/439,802,739.32
  6. Step 6: Final answer
    x = 347,461,789.19

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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.