Home / 12,897,895,900.39-19,337,848,859.00-5,714,843,328.41

Finding the Fourth Proportional to 12,897,895,900.39, 19,337,848,859.00 and 5,714,843,328.41

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Solution

The fourth proportional to 12,897,895,900.39, 19,337,848,859.00 and 5,714,843,328.41 is: 8,568,279,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,895,900.39 : 19,337,848,859.00 = 5,714,843,328.41 : x
  2. Step 2: Convert to fraction form
    12,897,895,900.39/19,337,848,859.00 = 5,714,843,328.41/x
  3. Step 3: Cross multiply
    12,897,895,900.39x = 19,337,848,859.00 × 5,714,843,328.41
  4. Step 4: Simplify right side
    12,897,895,900.39x = 110,512,776,537,571,803,136
  5. Step 5: Solve for x
    x = 110,512,776,537,571,803,136/12,897,895,900.39
  6. Step 6: Final answer
    x = 8,568,279,461.32

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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.