Home / 1,299,168,951.36-1,792,687,955.04-742,288,067.52

Finding the Fourth Proportional to 1,299,168,951.36, 1,792,687,955.04 and 742,288,067.52

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Solution

The fourth proportional to 1,299,168,951.36, 1,792,687,955.04 and 742,288,067.52 is: 1,024,263,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,168,951.36 : 1,792,687,955.04 = 742,288,067.52 : x
  2. Step 2: Convert to fraction form
    1,299,168,951.36/1,792,687,955.04 = 742,288,067.52/x
  3. Step 3: Cross multiply
    1,299,168,951.36x = 1,792,687,955.04 × 742,288,067.52
  4. Step 4: Simplify right side
    1,299,168,951.36x = 1,330,690,877,813,022,208
  5. Step 5: Solve for x
    x = 1,330,690,877,813,022,208/1,299,168,951.36
  6. Step 6: Final answer
    x = 1,024,263,146.39

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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.