Home / 214,991,008,088.40-322,486,512,132.60-65,929,791,013.20

Finding the Fourth Proportional to 214,991,008,088.40, 322,486,512,132.60 and 65,929,791,013.20

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Solution

The fourth proportional to 214,991,008,088.40, 322,486,512,132.60 and 65,929,791,013.20 is: 98,894,686,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,991,008,088.40 : 322,486,512,132.60 = 65,929,791,013.20 : x
  2. Step 2: Convert to fraction form
    214,991,008,088.40/322,486,512,132.60 = 65,929,791,013.20/x
  3. Step 3: Cross multiply
    214,991,008,088.40x = 322,486,512,132.60 × 65,929,791,013.20
  4. Step 4: Simplify right side
    214,991,008,088.40x = 21,261,468,349,478,100,533,248
  5. Step 5: Solve for x
    x = 21,261,468,349,478,100,533,248/214,991,008,088.40
  6. Step 6: Final answer
    x = 98,894,686,519.80

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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.