Home / 506,398,878,680.40-759,437,046,912.87-166,359,126,371.76

Finding the Fourth Proportional to 506,398,878,680.40, 759,437,046,912.87 and 166,359,126,371.76

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Solution

The fourth proportional to 506,398,878,680.40, 759,437,046,912.87 and 166,359,126,371.76 is: 249,485,709,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,398,878,680.40 : 759,437,046,912.87 = 166,359,126,371.76 : x
  2. Step 2: Convert to fraction form
    506,398,878,680.40/759,437,046,912.87 = 166,359,126,371.76/x
  3. Step 3: Cross multiply
    506,398,878,680.40x = 759,437,046,912.87 × 166,359,126,371.76
  4. Step 4: Simplify right side
    506,398,878,680.40x = 126,339,283,658,774,371,368,960
  5. Step 5: Solve for x
    x = 126,339,283,658,774,371,368,960/506,398,878,680.40
  6. Step 6: Final answer
    x = 249,485,709,739.32

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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.