Home / 790,726,122.42-1,091,178,399.86-433,481,681.06

Finding the Fourth Proportional to 790,726,122.42, 1,091,178,399.86 and 433,481,681.06

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Solution

The fourth proportional to 790,726,122.42, 1,091,178,399.86 and 433,481,681.06 is: 598,191,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,726,122.42 : 1,091,178,399.86 = 433,481,681.06 : x
  2. Step 2: Convert to fraction form
    790,726,122.42/1,091,178,399.86 = 433,481,681.06/x
  3. Step 3: Cross multiply
    790,726,122.42x = 1,091,178,399.86 × 433,481,681.06
  4. Step 4: Simplify right side
    790,726,122.42x = 473,005,847,107,673,600
  5. Step 5: Solve for x
    x = 473,005,847,107,673,600/790,726,122.42
  6. Step 6: Final answer
    x = 598,191,755.27

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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.