Home / 983,753,285.41-1,357,578,383.52-537,719,578.03

Finding the Fourth Proportional to 983,753,285.41, 1,357,578,383.52 and 537,719,578.03

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Solution

The fourth proportional to 983,753,285.41, 1,357,578,383.52 and 537,719,578.03 is: 742,052,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,753,285.41 : 1,357,578,383.52 = 537,719,578.03 : x
  2. Step 2: Convert to fraction form
    983,753,285.41/1,357,578,383.52 = 537,719,578.03/x
  3. Step 3: Cross multiply
    983,753,285.41x = 1,357,578,383.52 × 537,719,578.03
  4. Step 4: Simplify right side
    983,753,285.41x = 729,996,475,529,023,872
  5. Step 5: Solve for x
    x = 729,996,475,529,023,872/983,753,285.41
  6. Step 6: Final answer
    x = 742,052,388.90

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1.5x scale

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.