Home / 661,424,971.43-912,759,217.03-364,060,855.91

Finding the Fourth Proportional to 661,424,971.43, 912,759,217.03 and 364,060,855.91

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Solution

The fourth proportional to 661,424,971.43, 912,759,217.03 and 364,060,855.91 is: 502,399,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,424,971.43 : 912,759,217.03 = 364,060,855.91 : x
  2. Step 2: Convert to fraction form
    661,424,971.43/912,759,217.03 = 364,060,855.91/x
  3. Step 3: Cross multiply
    661,424,971.43x = 912,759,217.03 × 364,060,855.91
  4. Step 4: Simplify right side
    661,424,971.43x = 332,299,901,791,683,264
  5. Step 5: Solve for x
    x = 332,299,901,791,683,264/661,424,971.43
  6. Step 6: Final answer
    x = 502,399,994.17

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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.