Home / 810,018,032.51-1,215,018,191.39-196,602,258.26

Finding the Fourth Proportional to 810,018,032.51, 1,215,018,191.39 and 196,602,258.26

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Solution

The fourth proportional to 810,018,032.51, 1,215,018,191.39 and 196,602,258.26 is: 294,901,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,018,032.51 : 1,215,018,191.39 = 196,602,258.26 : x
  2. Step 2: Convert to fraction form
    810,018,032.51/1,215,018,191.39 = 196,602,258.26/x
  3. Step 3: Cross multiply
    810,018,032.51x = 1,215,018,191.39 × 196,602,258.26
  4. Step 4: Simplify right side
    810,018,032.51x = 238,875,320,256,309,408
  5. Step 5: Solve for x
    x = 238,875,320,256,309,408/810,018,032.51
  6. Step 6: Final answer
    x = 294,901,237.59

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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.