Home / 827,111,078.04-1,141,362,003.42-455,812,365.72

Finding the Fourth Proportional to 827,111,078.04, 1,141,362,003.42 and 455,812,365.72

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Solution

The fourth proportional to 827,111,078.04, 1,141,362,003.42 and 455,812,365.72 is: 628,992,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,111,078.04 : 1,141,362,003.42 = 455,812,365.72 : x
  2. Step 2: Convert to fraction form
    827,111,078.04/1,141,362,003.42 = 455,812,365.72/x
  3. Step 3: Cross multiply
    827,111,078.04x = 1,141,362,003.42 × 455,812,365.72
  4. Step 4: Simplify right side
    827,111,078.04x = 520,246,914,921,788,992
  5. Step 5: Solve for x
    x = 520,246,914,921,788,992/827,111,078.04
  6. Step 6: Final answer
    x = 628,992,802.46

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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.