Home / 983,753,291.25-1,357,578,391.46-537,719,583.87

Finding the Fourth Proportional to 983,753,291.25, 1,357,578,391.46 and 537,719,583.87

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Solution

The fourth proportional to 983,753,291.25, 1,357,578,391.46 and 537,719,583.87 is: 742,052,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,753,291.25 : 1,357,578,391.46 = 537,719,583.87 : x
  2. Step 2: Convert to fraction form
    983,753,291.25/1,357,578,391.46 = 537,719,583.87/x
  3. Step 3: Cross multiply
    983,753,291.25x = 1,357,578,391.46 × 537,719,583.87
  4. Step 4: Simplify right side
    983,753,291.25x = 729,996,487,724,086,528
  5. Step 5: Solve for x
    x = 729,996,487,724,086,528/983,753,291.25
  6. Step 6: Final answer
    x = 742,052,396.89

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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.