Home / 1,299,168,952.36-1,792,687,956.42-742,288,068.52

Finding the Fourth Proportional to 1,299,168,952.36, 1,792,687,956.42 and 742,288,068.52

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Solution

The fourth proportional to 1,299,168,952.36, 1,792,687,956.42 and 742,288,068.52 is: 1,024,263,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,168,952.36 : 1,792,687,956.42 = 742,288,068.52 : x
  2. Step 2: Convert to fraction form
    1,299,168,952.36/1,792,687,956.42 = 742,288,068.52/x
  3. Step 3: Cross multiply
    1,299,168,952.36x = 1,792,687,956.42 × 742,288,068.52
  4. Step 4: Simplify right side
    1,299,168,952.36x = 1,330,690,880,630,067,712
  5. Step 5: Solve for x
    x = 1,330,690,880,630,067,712/1,299,168,952.36
  6. Step 6: Final answer
    x = 1,024,263,147.77

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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.