Home / 631,117,032.24-870,924,796.08-352,660,843.92

Finding the Fourth Proportional to 631,117,032.24, 870,924,796.08 and 352,660,843.92

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Solution

The fourth proportional to 631,117,032.24, 870,924,796.08 and 352,660,843.92 is: 486,662,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,117,032.24 : 870,924,796.08 = 352,660,843.92 : x
  2. Step 2: Convert to fraction form
    631,117,032.24/870,924,796.08 = 352,660,843.92/x
  3. Step 3: Cross multiply
    631,117,032.24x = 870,924,796.08 × 352,660,843.92
  4. Step 4: Simplify right side
    631,117,032.24x = 307,141,073,576,426,752
  5. Step 5: Solve for x
    x = 307,141,073,576,426,752/631,117,032.24
  6. Step 6: Final answer
    x = 486,662,628.14

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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.