Home / 1,275,944,947.23-1,913,917,421.91-306,596,563.23

Finding the Fourth Proportional to 1,275,944,947.23, 1,913,917,421.91 and 306,596,563.23

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Solution

The fourth proportional to 1,275,944,947.23, 1,913,917,421.91 and 306,596,563.23 is: 459,894,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,944,947.23 : 1,913,917,421.91 = 306,596,563.23 : x
  2. Step 2: Convert to fraction form
    1,275,944,947.23/1,913,917,421.91 = 306,596,563.23/x
  3. Step 3: Cross multiply
    1,275,944,947.23x = 1,913,917,421.91 × 306,596,563.23
  4. Step 4: Simplify right side
    1,275,944,947.23x = 586,800,503,863,627,904
  5. Step 5: Solve for x
    x = 586,800,503,863,627,904/1,275,944,947.23
  6. Step 6: Final answer
    x = 459,894,845.10

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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.