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Finding the Fourth Proportional to 748,650,628.90, 1,122,975,943.35 and 748,650,628.90

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Solution

The fourth proportional to 748,650,628.90, 1,122,975,943.35 and 748,650,628.90 is: 1,122,975,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,650,628.90 : 1,122,975,943.35 = 748,650,628.90 : x
  2. Step 2: Convert to fraction form
    748,650,628.90/1,122,975,943.35 = 748,650,628.90/x
  3. Step 3: Cross multiply
    748,650,628.90x = 1,122,975,943.35 × 748,650,628.90
  4. Step 4: Simplify right side
    748,650,628.90x = 840,716,646,228,548,224
  5. Step 5: Solve for x
    x = 840,716,646,228,548,224/748,650,628.90
  6. Step 6: Final answer
    x = 1,122,975,943.35

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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.