Home / 8,160,447,802.80-12,240,671,704.20-2,989,917,908.40

Finding the Fourth Proportional to 8,160,447,802.80, 12,240,671,704.20 and 2,989,917,908.40

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Solution

The fourth proportional to 8,160,447,802.80, 12,240,671,704.20 and 2,989,917,908.40 is: 4,484,876,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,447,802.80 : 12,240,671,704.20 = 2,989,917,908.40 : x
  2. Step 2: Convert to fraction form
    8,160,447,802.80/12,240,671,704.20 = 2,989,917,908.40/x
  3. Step 3: Cross multiply
    8,160,447,802.80x = 12,240,671,704.20 × 2,989,917,908.40
  4. Step 4: Simplify right side
    8,160,447,802.80x = 36,598,603,539,232,731,136
  5. Step 5: Solve for x
    x = 36,598,603,539,232,731,136/8,160,447,802.80
  6. Step 6: Final answer
    x = 4,484,876,862.60

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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.