Home / 416,448,078.10-624,672,117.15-212,374,734.10

Finding the Fourth Proportional to 416,448,078.10, 624,672,117.15 and 212,374,734.10

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Solution

The fourth proportional to 416,448,078.10, 624,672,117.15 and 212,374,734.10 is: 318,562,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,448,078.10 : 624,672,117.15 = 212,374,734.10 : x
  2. Step 2: Convert to fraction form
    416,448,078.10/624,672,117.15 = 212,374,734.10/x
  3. Step 3: Cross multiply
    416,448,078.10x = 624,672,117.15 × 212,374,734.10
  4. Step 4: Simplify right side
    416,448,078.10x = 132,664,574,779,415,296
  5. Step 5: Solve for x
    x = 132,664,574,779,415,296/416,448,078.10
  6. Step 6: Final answer
    x = 318,562,101.15

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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.