Home / 562,074,240.60-775,645,792.86-311,189,814

Finding the Fourth Proportional to 562,074,240.60, 775,645,792.86 and 311,189,814

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Solution

The fourth proportional to 562,074,240.60, 775,645,792.86 and 311,189,814 is: 429,432,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,074,240.60 : 775,645,792.86 = 311,189,814 : x
  2. Step 2: Convert to fraction form
    562,074,240.60/775,645,792.86 = 311,189,814/x
  3. Step 3: Cross multiply
    562,074,240.60x = 775,645,792.86 × 311,189,814
  4. Step 4: Simplify right side
    562,074,240.60x = 241,373,070,009,985,920
  5. Step 5: Solve for x
    x = 241,373,070,009,985,920/562,074,240.60
  6. Step 6: Final answer
    x = 429,432,720.05

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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.