Home / 1,191,022,395.06-1,786,154,564.17-393,190,979.55

Finding the Fourth Proportional to 1,191,022,395.06, 1,786,154,564.17 and 393,190,979.55

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Solution

The fourth proportional to 1,191,022,395.06, 1,786,154,564.17 and 393,190,979.55 is: 589,661,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,022,395.06 : 1,786,154,564.17 = 393,190,979.55 : x
  2. Step 2: Convert to fraction form
    1,191,022,395.06/1,786,154,564.17 = 393,190,979.55/x
  3. Step 3: Cross multiply
    1,191,022,395.06x = 1,786,154,564.17 × 393,190,979.55
  4. Step 4: Simplify right side
    1,191,022,395.06x = 702,299,862,710,332,416
  5. Step 5: Solve for x
    x = 702,299,862,710,332,416/1,191,022,395.06
  6. Step 6: Final answer
    x = 589,661,341.07

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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.