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Finding the Fourth Proportional to 3,639,851,875.40, 5,459,777,813.10 and 3,639,851,875.40

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Solution

The fourth proportional to 3,639,851,875.40, 5,459,777,813.10 and 3,639,851,875.40 is: 5,459,777,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,851,875.40 : 5,459,777,813.10 = 3,639,851,875.40 : x
  2. Step 2: Convert to fraction form
    3,639,851,875.40/5,459,777,813.10 = 3,639,851,875.40/x
  3. Step 3: Cross multiply
    3,639,851,875.40x = 5,459,777,813.10 × 3,639,851,875.40
  4. Step 4: Simplify right side
    3,639,851,875.40x = 19,872,782,512,279,347,200
  5. Step 5: Solve for x
    x = 19,872,782,512,279,347,200/3,639,851,875.40
  6. Step 6: Final answer
    x = 5,459,777,813.10

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1.5x scale

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.