Home / 398,629,299.60-597,943,949.40-366,380,672.40

Finding the Fourth Proportional to 398,629,299.60, 597,943,949.40 and 366,380,672.40

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Solution

The fourth proportional to 398,629,299.60, 597,943,949.40 and 366,380,672.40 is: 549,571,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,629,299.60 : 597,943,949.40 = 366,380,672.40 : x
  2. Step 2: Convert to fraction form
    398,629,299.60/597,943,949.40 = 366,380,672.40/x
  3. Step 3: Cross multiply
    398,629,299.60x = 597,943,949.40 × 366,380,672.40
  4. Step 4: Simplify right side
    398,629,299.60x = 219,075,106,238,683,552
  5. Step 5: Solve for x
    x = 219,075,106,238,683,552/398,629,299.60
  6. Step 6: Final answer
    x = 549,571,008.60

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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.