Home / 1,243,033,991.10-1,864,774,935.45-516,096,186.30

Finding the Fourth Proportional to 1,243,033,991.10, 1,864,774,935.45 and 516,096,186.30

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Solution

The fourth proportional to 1,243,033,991.10, 1,864,774,935.45 and 516,096,186.30 is: 774,237,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,033,991.10 : 1,864,774,935.45 = 516,096,186.30 : x
  2. Step 2: Convert to fraction form
    1,243,033,991.10/1,864,774,935.45 = 516,096,186.30/x
  3. Step 3: Cross multiply
    1,243,033,991.10x = 1,864,774,935.45 × 516,096,186.30
  4. Step 4: Simplify right side
    1,243,033,991.10x = 962,403,232,493,573,760
  5. Step 5: Solve for x
    x = 962,403,232,493,573,760/1,243,033,991.10
  6. Step 6: Final answer
    x = 774,237,260.92

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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.