Home / 374,702,193.95-517,143,141.81-215,901,914.47

Finding the Fourth Proportional to 374,702,193.95, 517,143,141.81 and 215,901,914.47

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Solution

The fourth proportional to 374,702,193.95, 517,143,141.81 and 215,901,914.47 is: 297,975,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,702,193.95 : 517,143,141.81 = 215,901,914.47 : x
  2. Step 2: Convert to fraction form
    374,702,193.95/517,143,141.81 = 215,901,914.47/x
  3. Step 3: Cross multiply
    374,702,193.95x = 517,143,141.81 × 215,901,914.47
  4. Step 4: Simplify right side
    374,702,193.95x = 111,652,194,370,516,848
  5. Step 5: Solve for x
    x = 111,652,194,370,516,848/374,702,193.95
  6. Step 6: Final answer
    x = 297,975,822.33

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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.