Home / 1,643,184,417,112.40-2,267,597,163,225.40-911,572,842,611.55

Finding the Fourth Proportional to 1,643,184,417,112.40, 2,267,597,163,225.40 and 911,572,842,611.55

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Solution

The fourth proportional to 1,643,184,417,112.40, 2,267,597,163,225.40 and 911,572,842,611.55 is: 1,257,972,002,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,184,417,112.40 : 2,267,597,163,225.40 = 911,572,842,611.55 : x
  2. Step 2: Convert to fraction form
    1,643,184,417,112.40/2,267,597,163,225.40 = 911,572,842,611.55/x
  3. Step 3: Cross multiply
    1,643,184,417,112.40x = 2,267,597,163,225.40 × 911,572,842,611.55
  4. Step 4: Simplify right side
    1,643,184,417,112.40x = 2,067,079,991,979,264,721,289,216
  5. Step 5: Solve for x
    x = 2,067,079,991,979,264,721,289,216/1,643,184,417,112.40
  6. Step 6: Final answer
    x = 1,257,972,002,687.19

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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.