Home / 2,485,454,425,449-3,429,429,656,015.60-1,387,868,155,501.90

Finding the Fourth Proportional to 2,485,454,425,449, 3,429,429,656,015.60 and 1,387,868,155,501.90

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Solution

The fourth proportional to 2,485,454,425,449, 3,429,429,656,015.60 and 1,387,868,155,501.90 is: 1,914,980,279,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,454,425,449 : 3,429,429,656,015.60 = 1,387,868,155,501.90 : x
  2. Step 2: Convert to fraction form
    2,485,454,425,449/3,429,429,656,015.60 = 1,387,868,155,501.90/x
  3. Step 3: Cross multiply
    2,485,454,425,449x = 3,429,429,656,015.60 × 1,387,868,155,501.90
  4. Step 4: Simplify right side
    2,485,454,425,449x = 4,759,596,211,117,885,765,976,064
  5. Step 5: Solve for x
    x = 4,759,596,211,117,885,765,976,064/2,485,454,425,449
  6. Step 6: Final answer
    x = 1,914,980,279,816.66

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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.