Home / 439,716,730.80-660,225,947.40-246,015,015.60

Finding the Fourth Proportional to 439,716,730.80, 660,225,947.40 and 246,015,015.60

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Solution

The fourth proportional to 439,716,730.80, 660,225,947.40 and 246,015,015.60 is: 369,386,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,716,730.80 : 660,225,947.40 = 246,015,015.60 : x
  2. Step 2: Convert to fraction form
    439,716,730.80/660,225,947.40 = 246,015,015.60/x
  3. Step 3: Cross multiply
    439,716,730.80x = 660,225,947.40 × 246,015,015.60
  4. Step 4: Simplify right side
    439,716,730.80x = 162,425,496,749,135,776
  5. Step 5: Solve for x
    x = 162,425,496,749,135,776/439,716,730.80
  6. Step 6: Final answer
    x = 369,386,665.03

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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.