Home / 322,646,921.40-483,970,382.10-265,959,881.40

Finding the Fourth Proportional to 322,646,921.40, 483,970,382.10 and 265,959,881.40

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Solution

The fourth proportional to 322,646,921.40, 483,970,382.10 and 265,959,881.40 is: 398,939,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,646,921.40 : 483,970,382.10 = 265,959,881.40 : x
  2. Step 2: Convert to fraction form
    322,646,921.40/483,970,382.10 = 265,959,881.40/x
  3. Step 3: Cross multiply
    322,646,921.40x = 483,970,382.10 × 265,959,881.40
  4. Step 4: Simplify right side
    322,646,921.40x = 128,716,705,424,428,688
  5. Step 5: Solve for x
    x = 128,716,705,424,428,688/322,646,921.40
  6. Step 6: Final answer
    x = 398,939,822.10

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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.