Home / 348,624,447.60-522,936,671.40-212,575,551.60

Finding the Fourth Proportional to 348,624,447.60, 522,936,671.40 and 212,575,551.60

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Solution

The fourth proportional to 348,624,447.60, 522,936,671.40 and 212,575,551.60 is: 318,863,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,624,447.60 : 522,936,671.40 = 212,575,551.60 : x
  2. Step 2: Convert to fraction form
    348,624,447.60/522,936,671.40 = 212,575,551.60/x
  3. Step 3: Cross multiply
    348,624,447.60x = 522,936,671.40 × 212,575,551.60
  4. Step 4: Simplify right side
    348,624,447.60x = 111,163,551,374,722,944
  5. Step 5: Solve for x
    x = 111,163,551,374,722,944/348,624,447.60
  6. Step 6: Final answer
    x = 318,863,327.40

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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.