Home / 1,515,591,023.85-2,273,386,535.78-862,556,323.05

Finding the Fourth Proportional to 1,515,591,023.85, 2,273,386,535.78 and 862,556,323.05

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Solution

The fourth proportional to 1,515,591,023.85, 2,273,386,535.78 and 862,556,323.05 is: 1,293,834,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,591,023.85 : 2,273,386,535.78 = 862,556,323.05 : x
  2. Step 2: Convert to fraction form
    1,515,591,023.85/2,273,386,535.78 = 862,556,323.05/x
  3. Step 3: Cross multiply
    1,515,591,023.85x = 2,273,386,535.78 × 862,556,323.05
  4. Step 4: Simplify right side
    1,515,591,023.85x = 1,960,923,931,169,461,248
  5. Step 5: Solve for x
    x = 1,960,923,931,169,461,248/1,515,591,023.85
  6. Step 6: Final answer
    x = 1,293,834,484.58

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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.