Home / 12,939,264,264.60-19,408,896,396.90-8,582,116,411.80

Finding the Fourth Proportional to 12,939,264,264.60, 19,408,896,396.90 and 8,582,116,411.80

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Solution

The fourth proportional to 12,939,264,264.60, 19,408,896,396.90 and 8,582,116,411.80 is: 12,873,174,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,264,264.60 : 19,408,896,396.90 = 8,582,116,411.80 : x
  2. Step 2: Convert to fraction form
    12,939,264,264.60/19,408,896,396.90 = 8,582,116,411.80/x
  3. Step 3: Cross multiply
    12,939,264,264.60x = 19,408,896,396.90 × 8,582,116,411.80
  4. Step 4: Simplify right side
    12,939,264,264.60x = 166,569,408,302,761,377,792
  5. Step 5: Solve for x
    x = 166,569,408,302,761,377,792/12,939,264,264.60
  6. Step 6: Final answer
    x = 12,873,174,617.70

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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.