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Finding the Fourth Proportional to 1,868,675,151.53, 2,803,012,727.30 and 1,868,675,151.53

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Solution

The fourth proportional to 1,868,675,151.53, 2,803,012,727.30 and 1,868,675,151.53 is: 2,803,012,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,675,151.53 : 2,803,012,727.30 = 1,868,675,151.53 : x
  2. Step 2: Convert to fraction form
    1,868,675,151.53/2,803,012,727.30 = 1,868,675,151.53/x
  3. Step 3: Cross multiply
    1,868,675,151.53x = 2,803,012,727.30 × 1,868,675,151.53
  4. Step 4: Simplify right side
    1,868,675,151.53x = 5,237,920,232,904,487,936
  5. Step 5: Solve for x
    x = 5,237,920,232,904,487,936/1,868,675,151.53
  6. Step 6: Final answer
    x = 2,803,012,727.30

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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.