Home / 20,977,709,704.60-31,466,564,556.90-20,855,265,698.20

Finding the Fourth Proportional to 20,977,709,704.60, 31,466,564,556.90 and 20,855,265,698.20

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Solution

The fourth proportional to 20,977,709,704.60, 31,466,564,556.90 and 20,855,265,698.20 is: 31,282,898,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,977,709,704.60 : 31,466,564,556.90 = 20,855,265,698.20 : x
  2. Step 2: Convert to fraction form
    20,977,709,704.60/31,466,564,556.90 = 20,855,265,698.20/x
  3. Step 3: Cross multiply
    20,977,709,704.60x = 31,466,564,556.90 × 20,855,265,698.20
  4. Step 4: Simplify right side
    20,977,709,704.60x = 656,243,564,443,712,487,424
  5. Step 5: Solve for x
    x = 656,243,564,443,712,487,424/20,977,709,704.60
  6. Step 6: Final answer
    x = 31,282,898,547.30

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Double scale
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1.5x scale

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.