Home / 12,810,708,274.60-19,216,062,411.90-7,851,726,015.40

Finding the Fourth Proportional to 12,810,708,274.60, 19,216,062,411.90 and 7,851,726,015.40

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Solution

The fourth proportional to 12,810,708,274.60, 19,216,062,411.90 and 7,851,726,015.40 is: 11,777,589,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,708,274.60 : 19,216,062,411.90 = 7,851,726,015.40 : x
  2. Step 2: Convert to fraction form
    12,810,708,274.60/19,216,062,411.90 = 7,851,726,015.40/x
  3. Step 3: Cross multiply
    12,810,708,274.60x = 19,216,062,411.90 × 7,851,726,015.40
  4. Step 4: Simplify right side
    12,810,708,274.60x = 150,879,257,153,065,320,448
  5. Step 5: Solve for x
    x = 150,879,257,153,065,320,448/12,810,708,274.60
  6. Step 6: Final answer
    x = 11,777,589,023.10

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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.