Home / 398,629,307.10-597,943,960.65-366,380,679.90

Finding the Fourth Proportional to 398,629,307.10, 597,943,960.65 and 366,380,679.90

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Solution

The fourth proportional to 398,629,307.10, 597,943,960.65 and 366,380,679.90 is: 549,571,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,629,307.10 : 597,943,960.65 = 366,380,679.90 : x
  2. Step 2: Convert to fraction form
    398,629,307.10/597,943,960.65 = 366,380,679.90/x
  3. Step 3: Cross multiply
    398,629,307.10x = 597,943,960.65 × 366,380,679.90
  4. Step 4: Simplify right side
    398,629,307.10x = 219,075,114,845,045,824
  5. Step 5: Solve for x
    x = 219,075,114,845,045,824/398,629,307.10
  6. Step 6: Final answer
    x = 549,571,019.85

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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.