Home / 1,225,219,553.07-1,838,714,635.23-487,864,513.36

Finding the Fourth Proportional to 1,225,219,553.07, 1,838,714,635.23 and 487,864,513.36

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Solution

The fourth proportional to 1,225,219,553.07, 1,838,714,635.23 and 487,864,513.36 is: 732,149,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,219,553.07 : 1,838,714,635.23 = 487,864,513.36 : x
  2. Step 2: Convert to fraction form
    1,225,219,553.07/1,838,714,635.23 = 487,864,513.36/x
  3. Step 3: Cross multiply
    1,225,219,553.07x = 1,838,714,635.23 × 487,864,513.36
  4. Step 4: Simplify right side
    1,225,219,553.07x = 897,043,620,724,393,856
  5. Step 5: Solve for x
    x = 897,043,620,724,393,856/1,225,219,553.07
  6. Step 6: Final answer
    x = 732,149,285.80

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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.