Home / 554,898,473.32-765,759,627-331,880,151.10

Finding the Fourth Proportional to 554,898,473.32, 765,759,627 and 331,880,151.10

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Solution

The fourth proportional to 554,898,473.32, 765,759,627 and 331,880,151.10 is: 457,994,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,898,473.32 : 765,759,627 = 331,880,151.10 : x
  2. Step 2: Convert to fraction form
    554,898,473.32/765,759,627 = 331,880,151.10/x
  3. Step 3: Cross multiply
    554,898,473.32x = 765,759,627 × 331,880,151.10
  4. Step 4: Simplify right side
    554,898,473.32x = 254,140,420,715,039,648
  5. Step 5: Solve for x
    x = 254,140,420,715,039,648/554,898,473.32
  6. Step 6: Final answer
    x = 457,994,449.32

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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.