Home / 661,424,967.09-912,759,211.08-364,060,851.57

Finding the Fourth Proportional to 661,424,967.09, 912,759,211.08 and 364,060,851.57

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Solution

The fourth proportional to 661,424,967.09, 912,759,211.08 and 364,060,851.57 is: 502,399,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,424,967.09 : 912,759,211.08 = 364,060,851.57 : x
  2. Step 2: Convert to fraction form
    661,424,967.09/912,759,211.08 = 364,060,851.57/x
  3. Step 3: Cross multiply
    661,424,967.09x = 912,759,211.08 × 364,060,851.57
  4. Step 4: Simplify right side
    661,424,967.09x = 332,299,895,664,146,176
  5. Step 5: Solve for x
    x = 332,299,895,664,146,176/661,424,967.09
  6. Step 6: Final answer
    x = 502,399,988.20

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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.