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Finding the Fourth Proportional to 533,877,386.40, 748,503,295.20 and 533,877,386.40

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Solution

The fourth proportional to 533,877,386.40, 748,503,295.20 and 533,877,386.40 is: 748,503,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,877,386.40 : 748,503,295.20 = 533,877,386.40 : x
  2. Step 2: Convert to fraction form
    533,877,386.40/748,503,295.20 = 533,877,386.40/x
  3. Step 3: Cross multiply
    533,877,386.40x = 748,503,295.20 × 533,877,386.40
  4. Step 4: Simplify right side
    533,877,386.40x = 399,608,982,953,163,648
  5. Step 5: Solve for x
    x = 399,608,982,953,163,648/533,877,386.40
  6. Step 6: Final answer
    x = 748,503,295.20

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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.