Home / 409,911,722.43-565,089,823.62-292,232,749.20

Finding the Fourth Proportional to 409,911,722.43, 565,089,823.62 and 292,232,749.20

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Solution

The fourth proportional to 409,911,722.43, 565,089,823.62 and 292,232,749.20 is: 402,861,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,911,722.43 : 565,089,823.62 = 292,232,749.20 : x
  2. Step 2: Convert to fraction form
    409,911,722.43/565,089,823.62 = 292,232,749.20/x
  3. Step 3: Cross multiply
    409,911,722.43x = 565,089,823.62 × 292,232,749.20
  4. Step 4: Simplify right side
    409,911,722.43x = 165,137,752,701,415,680
  5. Step 5: Solve for x
    x = 165,137,752,701,415,680/409,911,722.43
  6. Step 6: Final answer
    x = 402,861,747.21

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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.