Home / 1,573,468,069.39-2,171,392,871.12-868,625,842.70

Finding the Fourth Proportional to 1,573,468,069.39, 2,171,392,871.12 and 868,625,842.70

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Solution

The fourth proportional to 1,573,468,069.39, 2,171,392,871.12 and 868,625,842.70 is: 1,198,707,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,468,069.39 : 2,171,392,871.12 = 868,625,842.70 : x
  2. Step 2: Convert to fraction form
    1,573,468,069.39/2,171,392,871.12 = 868,625,842.70/x
  3. Step 3: Cross multiply
    1,573,468,069.39x = 2,171,392,871.12 × 868,625,842.70
  4. Step 4: Simplify right side
    1,573,468,069.39x = 1,886,127,962,516,895,488
  5. Step 5: Solve for x
    x = 1,886,127,962,516,895,488/1,573,468,069.39
  6. Step 6: Final answer
    x = 1,198,707,491.57

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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.