Home / 661,425,028.48-912,759,295.80-364,060,912.96

Finding the Fourth Proportional to 661,425,028.48, 912,759,295.80 and 364,060,912.96

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Solution

The fourth proportional to 661,425,028.48, 912,759,295.80 and 364,060,912.96 is: 502,400,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,425,028.48 : 912,759,295.80 = 364,060,912.96 : x
  2. Step 2: Convert to fraction form
    661,425,028.48/912,759,295.80 = 364,060,912.96/x
  3. Step 3: Cross multiply
    661,425,028.48x = 912,759,295.80 × 364,060,912.96
  4. Step 4: Simplify right side
    661,425,028.48x = 332,299,982,541,674,688
  5. Step 5: Solve for x
    x = 332,299,982,541,674,688/661,425,028.48
  6. Step 6: Final answer
    x = 502,400,072.92

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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.