Home / 299,199,853,445-412,908,776,831.22-165,690,536,837

Finding the Fourth Proportional to 299,199,853,445, 412,908,776,831.22 and 165,690,536,837

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Solution

The fourth proportional to 299,199,853,445, 412,908,776,831.22 and 165,690,536,837 is: 228,660,128,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,199,853,445 : 412,908,776,831.22 = 165,690,536,837 : x
  2. Step 2: Convert to fraction form
    299,199,853,445/412,908,776,831.22 = 165,690,536,837/x
  3. Step 3: Cross multiply
    299,199,853,445x = 412,908,776,831.22 × 165,690,536,837
  4. Step 4: Simplify right side
    299,199,853,445x = 68,415,076,897,873,868,095,488
  5. Step 5: Solve for x
    x = 68,415,076,897,873,868,095,488/299,199,853,445
  6. Step 6: Final answer
    x = 228,660,128,372.86

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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.