Home / 1,625,432,826.10-2,438,149,239.15-398,601,277.60

Finding the Fourth Proportional to 1,625,432,826.10, 2,438,149,239.15 and 398,601,277.60

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Solution

The fourth proportional to 1,625,432,826.10, 2,438,149,239.15 and 398,601,277.60 is: 597,901,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,432,826.10 : 2,438,149,239.15 = 398,601,277.60 : x
  2. Step 2: Convert to fraction form
    1,625,432,826.10/2,438,149,239.15 = 398,601,277.60/x
  3. Step 3: Cross multiply
    1,625,432,826.10x = 2,438,149,239.15 × 398,601,277.60
  4. Step 4: Simplify right side
    1,625,432,826.10x = 971,849,401,704,658,048
  5. Step 5: Solve for x
    x = 971,849,401,704,658,048/1,625,432,826.10
  6. Step 6: Final answer
    x = 597,901,916.40

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Double scale
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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.