Home / 1,385,313,968.52-1,911,709,647.73-750,229,301.88

Finding the Fourth Proportional to 1,385,313,968.52, 1,911,709,647.73 and 750,229,301.88

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Solution

The fourth proportional to 1,385,313,968.52, 1,911,709,647.73 and 750,229,301.88 is: 1,035,303,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,313,968.52 : 1,911,709,647.73 = 750,229,301.88 : x
  2. Step 2: Convert to fraction form
    1,385,313,968.52/1,911,709,647.73 = 750,229,301.88/x
  3. Step 3: Cross multiply
    1,385,313,968.52x = 1,911,709,647.73 × 750,229,301.88
  4. Step 4: Simplify right side
    1,385,313,968.52x = 1,434,220,594,400,428,800
  5. Step 5: Solve for x
    x = 1,434,220,594,400,428,800/1,385,313,968.52
  6. Step 6: Final answer
    x = 1,035,303,640.18

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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.