Home / 1,553,632,205.13-2,331,921,649.13-961,631,695.40

Finding the Fourth Proportional to 1,553,632,205.13, 2,331,921,649.13 and 961,631,695.40

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Solution

The fourth proportional to 1,553,632,205.13, 2,331,921,649.13 and 961,631,695.40 is: 1,443,359,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,632,205.13 : 2,331,921,649.13 = 961,631,695.40 : x
  2. Step 2: Convert to fraction form
    1,553,632,205.13/2,331,921,649.13 = 961,631,695.40/x
  3. Step 3: Cross multiply
    1,553,632,205.13x = 2,331,921,649.13 × 961,631,695.40
  4. Step 4: Simplify right side
    1,553,632,205.13x = 2,242,449,768,976,378,112
  5. Step 5: Solve for x
    x = 2,242,449,768,976,378,112/1,553,632,205.13
  6. Step 6: Final answer
    x = 1,443,359,478.24

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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.