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Finding the Fourth Proportional to 606,926,820.30, 910,390,230.45 and 453,871,812.30

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Solution

The fourth proportional to 606,926,820.30, 910,390,230.45 and 453,871,812.30 is: 680,807,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,926,820.30 : 910,390,230.45 = 453,871,812.30 : x
  2. Step 2: Convert to fraction form
    606,926,820.30/910,390,230.45 = 453,871,812.30/x
  3. Step 3: Cross multiply
    606,926,820.30x = 910,390,230.45 × 453,871,812.30
  4. Step 4: Simplify right side
    606,926,820.30x = 413,200,463,794,556,160
  5. Step 5: Solve for x
    x = 413,200,463,794,556,160/606,926,820.30
  6. Step 6: Final answer
    x = 680,807,718.45

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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.