Home / 315,429,995,052.48-435,443,492,755.20-211,322,717,116.80

Finding the Fourth Proportional to 315,429,995,052.48, 435,443,492,755.20 and 211,322,717,116.80

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Solution

The fourth proportional to 315,429,995,052.48, 435,443,492,755.20 and 211,322,717,116.80 is: 291,725,909,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,429,995,052.48 : 435,443,492,755.20 = 211,322,717,116.80 : x
  2. Step 2: Convert to fraction form
    315,429,995,052.48/435,443,492,755.20 = 211,322,717,116.80/x
  3. Step 3: Cross multiply
    315,429,995,052.48x = 435,443,492,755.20 × 211,322,717,116.80
  4. Step 4: Simplify right side
    315,429,995,052.48x = 92,019,102,039,858,470,715,392
  5. Step 5: Solve for x
    x = 92,019,102,039,858,470,715,392/315,429,995,052.48
  6. Step 6: Final answer
    x = 291,725,909,023.17

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1.5x scale

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.