Home / 757,133,371.20-1,135,700,056.80-485,035,579.20

Finding the Fourth Proportional to 757,133,371.20, 1,135,700,056.80 and 485,035,579.20

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Solution

The fourth proportional to 757,133,371.20, 1,135,700,056.80 and 485,035,579.20 is: 727,553,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,133,371.20 : 1,135,700,056.80 = 485,035,579.20 : x
  2. Step 2: Convert to fraction form
    757,133,371.20/1,135,700,056.80 = 485,035,579.20/x
  3. Step 3: Cross multiply
    757,133,371.20x = 1,135,700,056.80 × 485,035,579.20
  4. Step 4: Simplify right side
    757,133,371.20x = 550,854,934,847,460,864
  5. Step 5: Solve for x
    x = 550,854,934,847,460,864/757,133,371.20
  6. Step 6: Final answer
    x = 727,553,368.80

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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.