Home / 457,195,563.81-630,947,187.99-256,256,119.35

Finding the Fourth Proportional to 457,195,563.81, 630,947,187.99 and 256,256,119.35

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Solution

The fourth proportional to 457,195,563.81, 630,947,187.99 and 256,256,119.35 is: 353,643,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,195,563.81 : 630,947,187.99 = 256,256,119.35 : x
  2. Step 2: Convert to fraction form
    457,195,563.81/630,947,187.99 = 256,256,119.35/x
  3. Step 3: Cross multiply
    457,195,563.81x = 630,947,187.99 × 256,256,119.35
  4. Step 4: Simplify right side
    457,195,563.81x = 161,684,077,909,112,320
  5. Step 5: Solve for x
    x = 161,684,077,909,112,320/457,195,563.81
  6. Step 6: Final answer
    x = 353,643,146.84

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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.