Home / 918,571,085.10-1,377,856,627.65-823,868,298.90

Finding the Fourth Proportional to 918,571,085.10, 1,377,856,627.65 and 823,868,298.90

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Solution

The fourth proportional to 918,571,085.10, 1,377,856,627.65 and 823,868,298.90 is: 1,235,802,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,571,085.10 : 1,377,856,627.65 = 823,868,298.90 : x
  2. Step 2: Convert to fraction form
    918,571,085.10/1,377,856,627.65 = 823,868,298.90/x
  3. Step 3: Cross multiply
    918,571,085.10x = 1,377,856,627.65 × 823,868,298.90
  4. Step 4: Simplify right side
    918,571,085.10x = 1,135,172,395,950,096,256
  5. Step 5: Solve for x
    x = 1,135,172,395,950,096,256/918,571,085.10
  6. Step 6: Final answer
    x = 1,235,802,448.35

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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.