Home / 1,260,355,816.44-1,739,443,542.91-717,328,789.82

Finding the Fourth Proportional to 1,260,355,816.44, 1,739,443,542.91 and 717,328,789.82

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Solution

The fourth proportional to 1,260,355,816.44, 1,739,443,542.91 and 717,328,789.82 is: 990,000,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,355,816.44 : 1,739,443,542.91 = 717,328,789.82 : x
  2. Step 2: Convert to fraction form
    1,260,355,816.44/1,739,443,542.91 = 717,328,789.82/x
  3. Step 3: Cross multiply
    1,260,355,816.44x = 1,739,443,542.91 × 717,328,789.82
  4. Step 4: Simplify right side
    1,260,355,816.44x = 1,247,752,931,603,116,032
  5. Step 5: Solve for x
    x = 1,247,752,931,603,116,032/1,260,355,816.44
  6. Step 6: Final answer
    x = 990,000,534.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.