Home / 1,932,174,887.20-2,898,262,330.80-639,710,375.20

Finding the Fourth Proportional to 1,932,174,887.20, 2,898,262,330.80 and 639,710,375.20

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Solution

The fourth proportional to 1,932,174,887.20, 2,898,262,330.80 and 639,710,375.20 is: 959,565,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,174,887.20 : 2,898,262,330.80 = 639,710,375.20 : x
  2. Step 2: Convert to fraction form
    1,932,174,887.20/2,898,262,330.80 = 639,710,375.20/x
  3. Step 3: Cross multiply
    1,932,174,887.20x = 2,898,262,330.80 × 639,710,375.20
  4. Step 4: Simplify right side
    1,932,174,887.20x = 1,854,048,483,064,094,720
  5. Step 5: Solve for x
    x = 1,854,048,483,064,094,720/1,932,174,887.20
  6. Step 6: Final answer
    x = 959,565,562.80

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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.