Home / 690,525,108.48-952,925,032.03-372,985,352.93

Finding the Fourth Proportional to 690,525,108.48, 952,925,032.03 and 372,985,352.93

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Solution

The fourth proportional to 690,525,108.48, 952,925,032.03 and 372,985,352.93 is: 514,719,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,525,108.48 : 952,925,032.03 = 372,985,352.93 : x
  2. Step 2: Convert to fraction form
    690,525,108.48/952,925,032.03 = 372,985,352.93/x
  3. Step 3: Cross multiply
    690,525,108.48x = 952,925,032.03 × 372,985,352.93
  4. Step 4: Simplify right side
    690,525,108.48x = 355,427,079,387,541,120
  5. Step 5: Solve for x
    x = 355,427,079,387,541,120/690,525,108.48
  6. Step 6: Final answer
    x = 514,719,993.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.