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Finding the Fourth Proportional to 977,446,485.70, 1,466,169,728.55 and 977,446,485.70

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Solution

The fourth proportional to 977,446,485.70, 1,466,169,728.55 and 977,446,485.70 is: 1,466,169,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,446,485.70 : 1,466,169,728.55 = 977,446,485.70 : x
  2. Step 2: Convert to fraction form
    977,446,485.70/1,466,169,728.55 = 977,446,485.70/x
  3. Step 3: Cross multiply
    977,446,485.70x = 1,466,169,728.55 × 977,446,485.70
  4. Step 4: Simplify right side
    977,446,485.70x = 1,433,102,448,610,920,448
  5. Step 5: Solve for x
    x = 1,433,102,448,610,920,448/977,446,485.70
  6. Step 6: Final answer
    x = 1,466,169,728.55

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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.