Home / 1,518,620,109.63-2,277,700,004.01-413,311,098.57

Finding the Fourth Proportional to 1,518,620,109.63, 2,277,700,004.01 and 413,311,098.57

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Solution

The fourth proportional to 1,518,620,109.63, 2,277,700,004.01 and 413,311,098.57 is: 619,904,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,620,109.63 : 2,277,700,004.01 = 413,311,098.57 : x
  2. Step 2: Convert to fraction form
    1,518,620,109.63/2,277,700,004.01 = 413,311,098.57/x
  3. Step 3: Cross multiply
    1,518,620,109.63x = 2,277,700,004.01 × 413,311,098.57
  4. Step 4: Simplify right side
    1,518,620,109.63x = 941,398,690,868,199,936
  5. Step 5: Solve for x
    x = 941,398,690,868,199,936/1,518,620,109.63
  6. Step 6: Final answer
    x = 619,904,006.87

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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.