Home / 12,939,264,265.60-19,408,896,398.40-8,582,116,412.80

Finding the Fourth Proportional to 12,939,264,265.60, 19,408,896,398.40 and 8,582,116,412.80

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Solution

The fourth proportional to 12,939,264,265.60, 19,408,896,398.40 and 8,582,116,412.80 is: 12,873,174,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,264,265.60 : 19,408,896,398.40 = 8,582,116,412.80 : x
  2. Step 2: Convert to fraction form
    12,939,264,265.60/19,408,896,398.40 = 8,582,116,412.80/x
  3. Step 3: Cross multiply
    12,939,264,265.60x = 19,408,896,398.40 × 8,582,116,412.80
  4. Step 4: Simplify right side
    12,939,264,265.60x = 166,569,408,335,043,461,120
  5. Step 5: Solve for x
    x = 166,569,408,335,043,461,120/12,939,264,265.60
  6. Step 6: Final answer
    x = 12,873,174,619.20

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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.