Home / 661,424,968.64-912,759,213.29-364,060,853.12

Finding the Fourth Proportional to 661,424,968.64, 912,759,213.29 and 364,060,853.12

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Solution

The fourth proportional to 661,424,968.64, 912,759,213.29 and 364,060,853.12 is: 502,399,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,424,968.64 : 912,759,213.29 = 364,060,853.12 : x
  2. Step 2: Convert to fraction form
    661,424,968.64/912,759,213.29 = 364,060,853.12/x
  3. Step 3: Cross multiply
    661,424,968.64x = 912,759,213.29 × 364,060,853.12
  4. Step 4: Simplify right side
    661,424,968.64x = 332,299,897,877,113,344
  5. Step 5: Solve for x
    x = 332,299,897,877,113,344/661,424,968.64
  6. Step 6: Final answer
    x = 502,399,990.38

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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.