Home / 716,190,657.92-988,255,431.97-451,773,376.64

Finding the Fourth Proportional to 716,190,657.92, 988,255,431.97 and 451,773,376.64

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Solution

The fourth proportional to 716,190,657.92, 988,255,431.97 and 451,773,376.64 is: 623,391,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,190,657.92 : 988,255,431.97 = 451,773,376.64 : x
  2. Step 2: Convert to fraction form
    716,190,657.92/988,255,431.97 = 451,773,376.64/x
  3. Step 3: Cross multiply
    716,190,657.92x = 988,255,431.97 × 451,773,376.64
  4. Step 4: Simplify right side
    716,190,657.92x = 446,467,493,483,908,736
  5. Step 5: Solve for x
    x = 446,467,493,483,908,736/716,190,657.92
  6. Step 6: Final answer
    x = 623,391,953.73

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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.