Home / 507,429,142.41-700,271,465.03-284,414,945.93

Finding the Fourth Proportional to 507,429,142.41, 700,271,465.03 and 284,414,945.93

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Solution

The fourth proportional to 507,429,142.41, 700,271,465.03 and 284,414,945.93 is: 392,503,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,429,142.41 : 700,271,465.03 = 284,414,945.93 : x
  2. Step 2: Convert to fraction form
    507,429,142.41/700,271,465.03 = 284,414,945.93/x
  3. Step 3: Cross multiply
    507,429,142.41x = 700,271,465.03 × 284,414,945.93
  4. Step 4: Simplify right side
    507,429,142.41x = 199,167,670,861,619,488
  5. Step 5: Solve for x
    x = 199,167,670,861,619,488/507,429,142.41
  6. Step 6: Final answer
    x = 392,503,414.20

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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.