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Finding the Fourth Proportional to 1,073,139,335.80, 1,609,709,003.70 and 1,073,139,335.80

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Solution

The fourth proportional to 1,073,139,335.80, 1,609,709,003.70 and 1,073,139,335.80 is: 1,609,709,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,139,335.80 : 1,609,709,003.70 = 1,073,139,335.80 : x
  2. Step 2: Convert to fraction form
    1,073,139,335.80/1,609,709,003.70 = 1,073,139,335.80/x
  3. Step 3: Cross multiply
    1,073,139,335.80x = 1,609,709,003.70 × 1,073,139,335.80
  4. Step 4: Simplify right side
    1,073,139,335.80x = 1,727,442,051,061,897,728
  5. Step 5: Solve for x
    x = 1,727,442,051,061,897,728/1,073,139,335.80
  6. Step 6: Final answer
    x = 1,609,709,003.70

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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.