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Finding the Fourth Proportional to 1,866,253,443.60, 2,798,036,472.60 and 1,048,616,374.80

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Solution

The fourth proportional to 1,866,253,443.60, 2,798,036,472.60 and 1,048,616,374.80 is: 1,572,169,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,253,443.60 : 2,798,036,472.60 = 1,048,616,374.80 : x
  2. Step 2: Convert to fraction form
    1,866,253,443.60/2,798,036,472.60 = 1,048,616,374.80/x
  3. Step 3: Cross multiply
    1,866,253,443.60x = 2,798,036,472.60 × 1,048,616,374.80
  4. Step 4: Simplify right side
    1,866,253,443.60x = 2,934,066,862,455,991,296
  5. Step 5: Solve for x
    x = 2,934,066,862,455,991,296/1,866,253,443.60
  6. Step 6: Final answer
    x = 1,572,169,563.85

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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.