Home / 610,303,664-915,644,452.64-211,496,159.36

Finding the Fourth Proportional to 610,303,664, 915,644,452.64 and 211,496,159.36

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Solution

The fourth proportional to 610,303,664, 915,644,452.64 and 211,496,159.36 is: 317,309,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,303,664 : 915,644,452.64 = 211,496,159.36 : x
  2. Step 2: Convert to fraction form
    610,303,664/915,644,452.64 = 211,496,159.36/x
  3. Step 3: Cross multiply
    610,303,664x = 915,644,452.64 × 211,496,159.36
  4. Step 4: Simplify right side
    610,303,664x = 193,655,285,072,649,408
  5. Step 5: Solve for x
    x = 193,655,285,072,649,408/610,303,664
  6. Step 6: Final answer
    x = 317,309,720.55

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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.