Home / 686,087,507,151.30-948,159,211,610.97-562,293,391,454.43

Finding the Fourth Proportional to 686,087,507,151.30, 948,159,211,610.97 and 562,293,391,454.43

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Solution

The fourth proportional to 686,087,507,151.30, 948,159,211,610.97 and 562,293,391,454.43 is: 777,078,219,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,087,507,151.30 : 948,159,211,610.97 = 562,293,391,454.43 : x
  2. Step 2: Convert to fraction form
    686,087,507,151.30/948,159,211,610.97 = 562,293,391,454.43/x
  3. Step 3: Cross multiply
    686,087,507,151.30x = 948,159,211,610.97 × 562,293,391,454.43
  4. Step 4: Simplify right side
    686,087,507,151.30x = 533,143,658,735,490,899,640,320
  5. Step 5: Solve for x
    x = 533,143,658,735,490,899,640,320/686,087,507,151.30
  6. Step 6: Final answer
    x = 777,078,219,874.83

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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.