Home / 1,192,807,223.40-1,789,210,835.10-319,543,372.20

Finding the Fourth Proportional to 1,192,807,223.40, 1,789,210,835.10 and 319,543,372.20

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Solution

The fourth proportional to 1,192,807,223.40, 1,789,210,835.10 and 319,543,372.20 is: 479,315,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,807,223.40 : 1,789,210,835.10 = 319,543,372.20 : x
  2. Step 2: Convert to fraction form
    1,192,807,223.40/1,789,210,835.10 = 319,543,372.20/x
  3. Step 3: Cross multiply
    1,192,807,223.40x = 1,789,210,835.10 × 319,543,372.20
  4. Step 4: Simplify right side
    1,192,807,223.40x = 571,730,463,824,632,064
  5. Step 5: Solve for x
    x = 571,730,463,824,632,064/1,192,807,223.40
  6. Step 6: Final answer
    x = 479,315,058.30

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Double scale
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Similar ratio
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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.