Home / 533,879,720.29-800,527,645.32-423,921,726.87

Finding the Fourth Proportional to 533,879,720.29, 800,527,645.32 and 423,921,726.87

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Solution

The fourth proportional to 533,879,720.29, 800,527,645.32 and 423,921,726.87 is: 635,650,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,879,720.29 : 800,527,645.32 = 423,921,726.87 : x
  2. Step 2: Convert to fraction form
    533,879,720.29/800,527,645.32 = 423,921,726.87/x
  3. Step 3: Cross multiply
    533,879,720.29x = 800,527,645.32 × 423,921,726.87
  4. Step 4: Simplify right side
    533,879,720.29x = 339,361,061,807,226,688
  5. Step 5: Solve for x
    x = 339,361,061,807,226,688/533,879,720.29
  6. Step 6: Final answer
    x = 635,650,782.21

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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.