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Finding the Fourth Proportional to 673,985,455.70, 946,300,615.90 and 673,985,455.70

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Solution

The fourth proportional to 673,985,455.70, 946,300,615.90 and 673,985,455.70 is: 946,300,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,985,455.70 : 946,300,615.90 = 673,985,455.70 : x
  2. Step 2: Convert to fraction form
    673,985,455.70/946,300,615.90 = 673,985,455.70/x
  3. Step 3: Cross multiply
    673,985,455.70x = 946,300,615.90 × 673,985,455.70
  4. Step 4: Simplify right side
    673,985,455.70x = 637,792,851,836,552,192
  5. Step 5: Solve for x
    x = 637,792,851,836,552,192/673,985,455.70
  6. Step 6: Final answer
    x = 946,300,615.90

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1.5x scale

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.