Home / 690,525,107.48-952,925,030.65-372,985,351.93

Finding the Fourth Proportional to 690,525,107.48, 952,925,030.65 and 372,985,351.93

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Solution

The fourth proportional to 690,525,107.48, 952,925,030.65 and 372,985,351.93 is: 514,719,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,525,107.48 : 952,925,030.65 = 372,985,351.93 : x
  2. Step 2: Convert to fraction form
    690,525,107.48/952,925,030.65 = 372,985,351.93/x
  3. Step 3: Cross multiply
    690,525,107.48x = 952,925,030.65 × 372,985,351.93
  4. Step 4: Simplify right side
    690,525,107.48x = 355,427,077,921,544,192
  5. Step 5: Solve for x
    x = 355,427,077,921,544,192/690,525,107.48
  6. Step 6: Final answer
    x = 514,719,992.18

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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.