Home / 431,570,216.80-646,611,307.80-201,066,540.40

Finding the Fourth Proportional to 431,570,216.80, 646,611,307.80 and 201,066,540.40

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Solution

The fourth proportional to 431,570,216.80, 646,611,307.80 and 201,066,540.40 is: 301,253,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,570,216.80 : 646,611,307.80 = 201,066,540.40 : x
  2. Step 2: Convert to fraction form
    431,570,216.80/646,611,307.80 = 201,066,540.40/x
  3. Step 3: Cross multiply
    431,570,216.80x = 646,611,307.80 × 201,066,540.40
  4. Step 4: Simplify right side
    431,570,216.80x = 130,011,898,642,865,536
  5. Step 5: Solve for x
    x = 130,011,898,642,865,536/431,570,216.80
  6. Step 6: Final answer
    x = 301,253,176.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.