Home / 940,609,945.13-1,298,124,364.61-517,298,131.85

Finding the Fourth Proportional to 940,609,945.13, 1,298,124,364.61 and 517,298,131.85

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Solution

The fourth proportional to 940,609,945.13, 1,298,124,364.61 and 517,298,131.85 is: 713,916,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,609,945.13 : 1,298,124,364.61 = 517,298,131.85 : x
  2. Step 2: Convert to fraction form
    940,609,945.13/1,298,124,364.61 = 517,298,131.85/x
  3. Step 3: Cross multiply
    940,609,945.13x = 1,298,124,364.61 × 517,298,131.85
  4. Step 4: Simplify right side
    940,609,945.13x = 671,517,308,719,134,848
  5. Step 5: Solve for x
    x = 671,517,308,719,134,848/940,609,945.13
  6. Step 6: Final answer
    x = 713,916,870.85

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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.