Home / 439,802,736.31-607,033,473.74-251,740,061.20

Finding the Fourth Proportional to 439,802,736.31, 607,033,473.74 and 251,740,061.20

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Solution

The fourth proportional to 439,802,736.31, 607,033,473.74 and 251,740,061.20 is: 347,461,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,802,736.31 : 607,033,473.74 = 251,740,061.20 : x
  2. Step 2: Convert to fraction form
    439,802,736.31/607,033,473.74 = 251,740,061.20/x
  3. Step 3: Cross multiply
    439,802,736.31x = 607,033,473.74 × 251,740,061.20
  4. Step 4: Simplify right side
    439,802,736.31x = 152,814,643,829,756,192
  5. Step 5: Solve for x
    x = 152,814,643,829,756,192/439,802,736.31
  6. Step 6: Final answer
    x = 347,461,785.05

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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.