Home / 26,909,714,912.80-40,364,572,369.20-12,931,966,307.20

Finding the Fourth Proportional to 26,909,714,912.80, 40,364,572,369.20 and 12,931,966,307.20

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Solution

The fourth proportional to 26,909,714,912.80, 40,364,572,369.20 and 12,931,966,307.20 is: 19,397,949,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909,714,912.80 : 40,364,572,369.20 = 12,931,966,307.20 : x
  2. Step 2: Convert to fraction form
    26,909,714,912.80/40,364,572,369.20 = 12,931,966,307.20/x
  3. Step 3: Cross multiply
    26,909,714,912.80x = 40,364,572,369.20 × 12,931,966,307.20
  4. Step 4: Simplify right side
    26,909,714,912.80x = 521,993,289,883,030,454,272
  5. Step 5: Solve for x
    x = 521,993,289,883,030,454,272/26,909,714,912.80
  6. Step 6: Final answer
    x = 19,397,949,460.80

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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.