Home / 579,266,734.18-799,415,422.32-328,375,988.64

Finding the Fourth Proportional to 579,266,734.18, 799,415,422.32 and 328,375,988.64

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Solution

The fourth proportional to 579,266,734.18, 799,415,422.32 and 328,375,988.64 is: 453,174,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,266,734.18 : 799,415,422.32 = 328,375,988.64 : x
  2. Step 2: Convert to fraction form
    579,266,734.18/799,415,422.32 = 328,375,988.64/x
  3. Step 3: Cross multiply
    579,266,734.18x = 799,415,422.32 × 328,375,988.64
  4. Step 4: Simplify right side
    579,266,734.18x = 262,508,829,638,393,120
  5. Step 5: Solve for x
    x = 262,508,829,638,393,120/579,266,734.18
  6. Step 6: Final answer
    x = 453,174,356.73

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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.