Home / 12,432,235,543.90-18,647,922,007.05-3,116,064,996.70

Finding the Fourth Proportional to 12,432,235,543.90, 18,647,922,007.05 and 3,116,064,996.70

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Solution

The fourth proportional to 12,432,235,543.90, 18,647,922,007.05 and 3,116,064,996.70 is: 4,673,989,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,235,543.90 : 18,647,922,007.05 = 3,116,064,996.70 : x
  2. Step 2: Convert to fraction form
    12,432,235,543.90/18,647,922,007.05 = 3,116,064,996.70/x
  3. Step 3: Cross multiply
    12,432,235,543.90x = 18,647,922,007.05 × 3,116,064,996.70
  4. Step 4: Simplify right side
    12,432,235,543.90x = 58,108,137,027,360,112,640
  5. Step 5: Solve for x
    x = 58,108,137,027,360,112,640/12,432,235,543.90
  6. Step 6: Final answer
    x = 4,673,989,390.10

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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.