Home / 661,274,387.37-912,558,386.79-363,916,628.60

Finding the Fourth Proportional to 661,274,387.37, 912,558,386.79 and 363,916,628.60

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Solution

The fourth proportional to 661,274,387.37, 912,558,386.79 and 363,916,628.60 is: 502,204,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,274,387.37 : 912,558,386.79 = 363,916,628.60 : x
  2. Step 2: Convert to fraction form
    661,274,387.37/912,558,386.79 = 363,916,628.60/x
  3. Step 3: Cross multiply
    661,274,387.37x = 912,558,386.79 × 363,916,628.60
  4. Step 4: Simplify right side
    661,274,387.37x = 332,095,171,516,708,800
  5. Step 5: Solve for x
    x = 332,095,171,516,708,800/661,274,387.37
  6. Step 6: Final answer
    x = 502,204,800.09

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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.