Home / 827,997,811.61-1,242,007,535.57-275,300,240.00

Finding the Fourth Proportional to 827,997,811.61, 1,242,007,535.57 and 275,300,240.00

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Solution

The fourth proportional to 827,997,811.61, 1,242,007,535.57 and 275,300,240.00 is: 412,953,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,997,811.61 : 1,242,007,535.57 = 275,300,240.00 : x
  2. Step 2: Convert to fraction form
    827,997,811.61/1,242,007,535.57 = 275,300,240.00/x
  3. Step 3: Cross multiply
    827,997,811.61x = 1,242,007,535.57 × 275,300,240.00
  4. Step 4: Simplify right side
    827,997,811.61x = 341,924,972,616,643,008
  5. Step 5: Solve for x
    x = 341,924,972,616,643,008/827,997,811.61
  6. Step 6: Final answer
    x = 412,953,956.91

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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.