Home / 284,928,555.86-427,283,886.56-155,466,969.47

Finding the Fourth Proportional to 284,928,555.86, 427,283,886.56 and 155,466,969.47

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Solution

The fourth proportional to 284,928,555.86, 427,283,886.56 and 155,466,969.47 is: 233,141,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,928,555.86 : 427,283,886.56 = 155,466,969.47 : x
  2. Step 2: Convert to fraction form
    284,928,555.86/427,283,886.56 = 155,466,969.47/x
  3. Step 3: Cross multiply
    284,928,555.86x = 427,283,886.56 × 155,466,969.47
  4. Step 4: Simplify right side
    284,928,555.86x = 66,428,530,943,932,712
  5. Step 5: Solve for x
    x = 66,428,530,943,932,712/284,928,555.86
  6. Step 6: Final answer
    x = 233,141,008.79

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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.