Home / 28,107,995,366.99-42,168,971,327.77-13,949,605,979.68

Finding the Fourth Proportional to 28,107,995,366.99, 42,168,971,327.77 and 13,949,605,979.68

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Solution

The fourth proportional to 28,107,995,366.99, 42,168,971,327.77 and 13,949,605,979.68 is: 20,927,872,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107,995,366.99 : 42,168,971,327.77 = 13,949,605,979.68 : x
  2. Step 2: Convert to fraction form
    28,107,995,366.99/42,168,971,327.77 = 13,949,605,979.68/x
  3. Step 3: Cross multiply
    28,107,995,366.99x = 42,168,971,327.77 × 13,949,605,979.68
  4. Step 4: Simplify right side
    28,107,995,366.99x = 588,240,534,590,814,814,208
  5. Step 5: Solve for x
    x = 588,240,534,590,814,814,208/28,107,995,366.99
  6. Step 6: Final answer
    x = 20,927,872,191.19

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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.