Home / 2,113,522,647.07-2,917,169,225.80-1,209,802,455.88

Finding the Fourth Proportional to 2,113,522,647.07, 2,917,169,225.80 and 1,209,802,455.88

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Solution

The fourth proportional to 2,113,522,647.07, 2,917,169,225.80 and 1,209,802,455.88 is: 1,669,818,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,522,647.07 : 2,917,169,225.80 = 1,209,802,455.88 : x
  2. Step 2: Convert to fraction form
    2,113,522,647.07/2,917,169,225.80 = 1,209,802,455.88/x
  3. Step 3: Cross multiply
    2,113,522,647.07x = 2,917,169,225.80 × 1,209,802,455.88
  4. Step 4: Simplify right side
    2,113,522,647.07x = 3,529,198,493,590,398,976
  5. Step 5: Solve for x
    x = 3,529,198,493,590,398,976/2,113,522,647.07
  6. Step 6: Final answer
    x = 1,669,818,158.08

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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.