Home / 1,209,493,695.90-1,814,576,467.05-519,731,391.90

Finding the Fourth Proportional to 1,209,493,695.90, 1,814,576,467.05 and 519,731,391.90

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Solution

The fourth proportional to 1,209,493,695.90, 1,814,576,467.05 and 519,731,391.90 is: 779,741,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,493,695.90 : 1,814,576,467.05 = 519,731,391.90 : x
  2. Step 2: Convert to fraction form
    1,209,493,695.90/1,814,576,467.05 = 519,731,391.90/x
  3. Step 3: Cross multiply
    1,209,493,695.90x = 1,814,576,467.05 × 519,731,391.90
  4. Step 4: Simplify right side
    1,209,493,695.90x = 943,092,352,928,880,896
  5. Step 5: Solve for x
    x = 943,092,352,928,880,896/1,209,493,695.90
  6. Step 6: Final answer
    x = 779,741,437.37

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Half scale
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Double scale
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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.