Home / 5,156,823,400.29-7,735,225,433.83-1,615,835,921.09

Finding the Fourth Proportional to 5,156,823,400.29, 7,735,225,433.83 and 1,615,835,921.09

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Solution

The fourth proportional to 5,156,823,400.29, 7,735,225,433.83 and 1,615,835,921.09 is: 2,423,750,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,823,400.29 : 7,735,225,433.83 = 1,615,835,921.09 : x
  2. Step 2: Convert to fraction form
    5,156,823,400.29/7,735,225,433.83 = 1,615,835,921.09/x
  3. Step 3: Cross multiply
    5,156,823,400.29x = 7,735,225,433.83 × 1,615,835,921.09
  4. Step 4: Simplify right side
    5,156,823,400.29x = 12,498,855,113,668,937,728
  5. Step 5: Solve for x
    x = 12,498,855,113,668,937,728/5,156,823,400.29
  6. Step 6: Final answer
    x = 2,423,750,852.70

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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.