Home / 3,127,890,120,500.20-4,689,303,266,034.60-977,895,274,033.12

Finding the Fourth Proportional to 3,127,890,120,500.20, 4,689,303,266,034.60 and 977,895,274,033.12

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Solution

The fourth proportional to 3,127,890,120,500.20, 4,689,303,266,034.60 and 977,895,274,033.12 is: 1,466,051,339,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,890,120,500.20 : 4,689,303,266,034.60 = 977,895,274,033.12 : x
  2. Step 2: Convert to fraction form
    3,127,890,120,500.20/4,689,303,266,034.60 = 977,895,274,033.12/x
  3. Step 3: Cross multiply
    3,127,890,120,500.20x = 4,689,303,266,034.60 × 977,895,274,033.12
  4. Step 4: Simplify right side
    3,127,890,120,500.20x = 4,585,647,502,363,309,495,025,664
  5. Step 5: Solve for x
    x = 4,585,647,502,363,309,495,025,664/3,127,890,120,500.20
  6. Step 6: Final answer
    x = 1,466,051,339,946.04

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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.