Home / 480,178,156.15-661,994,190.19-336,929,288.46

Finding the Fourth Proportional to 480,178,156.15, 661,994,190.19 and 336,929,288.46

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Solution

The fourth proportional to 480,178,156.15, 661,994,190.19 and 336,929,288.46 is: 464,505,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,178,156.15 : 661,994,190.19 = 336,929,288.46 : x
  2. Step 2: Convert to fraction form
    480,178,156.15/661,994,190.19 = 336,929,288.46/x
  3. Step 3: Cross multiply
    480,178,156.15x = 661,994,190.19 × 336,929,288.46
  4. Step 4: Simplify right side
    480,178,156.15x = 223,045,231,464,707,776
  5. Step 5: Solve for x
    x = 223,045,231,464,707,776/480,178,156.15
  6. Step 6: Final answer
    x = 464,505,160.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.