Home / 990,151,869.47-1,366,111,605.06-593,530,143.83

Finding the Fourth Proportional to 990,151,869.47, 1,366,111,605.06 and 593,530,143.83

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Solution

The fourth proportional to 990,151,869.47, 1,366,111,605.06 and 593,530,143.83 is: 818,892,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,151,869.47 : 1,366,111,605.06 = 593,530,143.83 : x
  2. Step 2: Convert to fraction form
    990,151,869.47/1,366,111,605.06 = 593,530,143.83/x
  3. Step 3: Cross multiply
    990,151,869.47x = 1,366,111,605.06 × 593,530,143.83
  4. Step 4: Simplify right side
    990,151,869.47x = 810,828,417,439,094,016
  5. Step 5: Solve for x
    x = 810,828,417,439,094,016/990,151,869.47
  6. Step 6: Final answer
    x = 818,892,982.42

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Double scale
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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.