Home / 12,481,152,512-18,721,466,472.32-3,037,849,031.68

Finding the Fourth Proportional to 12,481,152,512, 18,721,466,472.32 and 3,037,849,031.68

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Solution

The fourth proportional to 12,481,152,512, 18,721,466,472.32 and 3,037,849,031.68 is: 4,556,709,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,152,512 : 18,721,466,472.32 = 3,037,849,031.68 : x
  2. Step 2: Convert to fraction form
    12,481,152,512/18,721,466,472.32 = 3,037,849,031.68/x
  3. Step 3: Cross multiply
    12,481,152,512x = 18,721,466,472.32 × 3,037,849,031.68
  4. Step 4: Simplify right side
    12,481,152,512x = 56,872,988,794,566,893,568
  5. Step 5: Solve for x
    x = 56,872,988,794,566,893,568/12,481,152,512
  6. Step 6: Final answer
    x = 4,556,709,706.09

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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.