Home / 442,757,153.60-664,135,730.40-197,113,313.60

Finding the Fourth Proportional to 442,757,153.60, 664,135,730.40 and 197,113,313.60

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Solution

The fourth proportional to 442,757,153.60, 664,135,730.40 and 197,113,313.60 is: 295,669,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,757,153.60 : 664,135,730.40 = 197,113,313.60 : x
  2. Step 2: Convert to fraction form
    442,757,153.60/664,135,730.40 = 197,113,313.60/x
  3. Step 3: Cross multiply
    442,757,153.60x = 664,135,730.40 × 197,113,313.60
  4. Step 4: Simplify right side
    442,757,153.60x = 130,909,994,499,300,240
  5. Step 5: Solve for x
    x = 130,909,994,499,300,240/442,757,153.60
  6. Step 6: Final answer
    x = 295,669,970.40

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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.