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Finding the Fourth Proportional to 997,272,912.45, 1,495,909,368.68 and 997,272,912.45

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Solution

The fourth proportional to 997,272,912.45, 1,495,909,368.68 and 997,272,912.45 is: 1,495,909,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,272,912.45 : 1,495,909,368.68 = 997,272,912.45 : x
  2. Step 2: Convert to fraction form
    997,272,912.45/1,495,909,368.68 = 997,272,912.45/x
  3. Step 3: Cross multiply
    997,272,912.45x = 1,495,909,368.68 × 997,272,912.45
  4. Step 4: Simplify right side
    997,272,912.45x = 1,491,829,892,859,758,080
  5. Step 5: Solve for x
    x = 1,491,829,892,859,758,080/997,272,912.45
  6. Step 6: Final answer
    x = 1,495,909,368.68

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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.