Home / 469,937,435.28-704,827,968.24-142,335,059.52

Finding the Fourth Proportional to 469,937,435.28, 704,827,968.24 and 142,335,059.52

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Solution

The fourth proportional to 469,937,435.28, 704,827,968.24 and 142,335,059.52 is: 213,478,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,937,435.28 : 704,827,968.24 = 142,335,059.52 : x
  2. Step 2: Convert to fraction form
    469,937,435.28/704,827,968.24 = 142,335,059.52/x
  3. Step 3: Cross multiply
    469,937,435.28x = 704,827,968.24 × 142,335,059.52
  4. Step 4: Simplify right side
    469,937,435.28x = 100,321,730,810,801,072
  5. Step 5: Solve for x
    x = 100,321,730,810,801,072/469,937,435.28
  6. Step 6: Final answer
    x = 213,478,908.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.