Home / 416,448,075.60-624,672,113.40-212,374,731.60

Finding the Fourth Proportional to 416,448,075.60, 624,672,113.40 and 212,374,731.60

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Solution

The fourth proportional to 416,448,075.60, 624,672,113.40 and 212,374,731.60 is: 318,562,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,448,075.60 : 624,672,113.40 = 212,374,731.60 : x
  2. Step 2: Convert to fraction form
    416,448,075.60/624,672,113.40 = 212,374,731.60/x
  3. Step 3: Cross multiply
    416,448,075.60x = 624,672,113.40 × 212,374,731.60
  4. Step 4: Simplify right side
    416,448,075.60x = 132,664,572,421,329,760
  5. Step 5: Solve for x
    x = 132,664,572,421,329,760/416,448,075.60
  6. Step 6: Final answer
    x = 318,562,097.40

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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.