Home / 686,086,030.94-946,798,002.39-372,819,499.66

Finding the Fourth Proportional to 686,086,030.94, 946,798,002.39 and 372,819,499.66

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Solution

The fourth proportional to 686,086,030.94, 946,798,002.39 and 372,819,499.66 is: 514,490,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,086,030.94 : 946,798,002.39 = 372,819,499.66 : x
  2. Step 2: Convert to fraction form
    686,086,030.94/946,798,002.39 = 372,819,499.66/x
  3. Step 3: Cross multiply
    686,086,030.94x = 946,798,002.39 × 372,819,499.66
  4. Step 4: Simplify right side
    686,086,030.94x = 352,984,757,530,127,296
  5. Step 5: Solve for x
    x = 352,984,757,530,127,296/686,086,030.94
  6. Step 6: Final answer
    x = 514,490,518.12

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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.