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Finding the Fourth Proportional to 1,809,627,700.02, 2,709,384,299.47 and 977,600,520.50

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Solution

The fourth proportional to 1,809,627,700.02, 2,709,384,299.47 and 977,600,520.50 is: 1,463,668,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,627,700.02 : 2,709,384,299.47 = 977,600,520.50 : x
  2. Step 2: Convert to fraction form
    1,809,627,700.02/2,709,384,299.47 = 977,600,520.50/x
  3. Step 3: Cross multiply
    1,809,627,700.02x = 2,709,384,299.47 × 977,600,520.50
  4. Step 4: Simplify right side
    1,809,627,700.02x = 2,648,695,501,396,399,616
  5. Step 5: Solve for x
    x = 2,648,695,501,396,399,616/1,809,627,700.02
  6. Step 6: Final answer
    x = 1,463,668,743.23

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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.