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Finding the Fourth Proportional to 1,006,395,955.03, 1,388,809,836.83 and 588,778,988.41

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Solution

The fourth proportional to 1,006,395,955.03, 1,388,809,836.83 and 588,778,988.41 is: 812,505,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,395,955.03 : 1,388,809,836.83 = 588,778,988.41 : x
  2. Step 2: Convert to fraction form
    1,006,395,955.03/1,388,809,836.83 = 588,778,988.41/x
  3. Step 3: Cross multiply
    1,006,395,955.03x = 1,388,809,836.83 × 588,778,988.41
  4. Step 4: Simplify right side
    1,006,395,955.03x = 817,702,050,825,832,448
  5. Step 5: Solve for x
    x = 817,702,050,825,832,448/1,006,395,955.03
  6. Step 6: Final answer
    x = 812,505,303.44

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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.