Home / 462,217,820.85-638,705,190.90-336,551,102.51

Finding the Fourth Proportional to 462,217,820.85, 638,705,190.90 and 336,551,102.51

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Solution

The fourth proportional to 462,217,820.85, 638,705,190.90 and 336,551,102.51 is: 465,055,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,217,820.85 : 638,705,190.90 = 336,551,102.51 : x
  2. Step 2: Convert to fraction form
    462,217,820.85/638,705,190.90 = 336,551,102.51/x
  3. Step 3: Cross multiply
    462,217,820.85x = 638,705,190.90 × 336,551,102.51
  4. Step 4: Simplify right side
    462,217,820.85x = 214,956,936,173,284,224
  5. Step 5: Solve for x
    x = 214,956,936,173,284,224/462,217,820.85
  6. Step 6: Final answer
    x = 465,055,492.19

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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.