Home / 613,728,507.04-920,955,965.28-225,823,742.48

Finding the Fourth Proportional to 613,728,507.04, 920,955,965.28 and 225,823,742.48

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Solution

The fourth proportional to 613,728,507.04, 920,955,965.28 and 225,823,742.48 is: 338,869,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,728,507.04 : 920,955,965.28 = 225,823,742.48 : x
  2. Step 2: Convert to fraction form
    613,728,507.04/920,955,965.28 = 225,823,742.48/x
  3. Step 3: Cross multiply
    613,728,507.04x = 920,955,965.28 × 225,823,742.48
  4. Step 4: Simplify right side
    613,728,507.04x = 207,973,722,738,810,528
  5. Step 5: Solve for x
    x = 207,973,722,738,810,528/613,728,507.04
  6. Step 6: Final answer
    x = 338,869,256.28

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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.