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Finding the Fourth Proportional to 536,064,363.20, 748,959,558.40 and 536,064,363.20

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Solution

The fourth proportional to 536,064,363.20, 748,959,558.40 and 536,064,363.20 is: 748,959,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,064,363.20 : 748,959,558.40 = 536,064,363.20 : x
  2. Step 2: Convert to fraction form
    536,064,363.20/748,959,558.40 = 536,064,363.20/x
  3. Step 3: Cross multiply
    536,064,363.20x = 748,959,558.40 × 536,064,363.20
  4. Step 4: Simplify right side
    536,064,363.20x = 401,490,528,736,249,216
  5. Step 5: Solve for x
    x = 401,490,528,736,249,216/536,064,363.20
  6. Step 6: Final answer
    x = 748,959,558.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.