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Finding the Fourth Proportional to 406,791,812.70, 610,187,719.05 and 362,201,118.30

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Solution

The fourth proportional to 406,791,812.70, 610,187,719.05 and 362,201,118.30 is: 543,301,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,791,812.70 : 610,187,719.05 = 362,201,118.30 : x
  2. Step 2: Convert to fraction form
    406,791,812.70/610,187,719.05 = 362,201,118.30/x
  3. Step 3: Cross multiply
    406,791,812.70x = 610,187,719.05 × 362,201,118.30
  4. Step 4: Simplify right side
    406,791,812.70x = 221,010,674,212,836,192
  5. Step 5: Solve for x
    x = 221,010,674,212,836,192/406,791,812.70
  6. Step 6: Final answer
    x = 543,301,677.45

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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.