Home / 1,310,536,014.02-1,965,811,369.86-437,134,984.61

Finding the Fourth Proportional to 1,310,536,014.02, 1,965,811,369.86 and 437,134,984.61

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Solution

The fourth proportional to 1,310,536,014.02, 1,965,811,369.86 and 437,134,984.61 is: 655,704,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,014.02 : 1,965,811,369.86 = 437,134,984.61 : x
  2. Step 2: Convert to fraction form
    1,310,536,014.02/1,965,811,369.86 = 437,134,984.61/x
  3. Step 3: Cross multiply
    1,310,536,014.02x = 1,965,811,369.86 × 437,134,984.61
  4. Step 4: Simplify right side
    1,310,536,014.02x = 859,324,922,911,152,512
  5. Step 5: Solve for x
    x = 859,324,922,911,152,512/1,310,536,014.02
  6. Step 6: Final answer
    x = 655,704,928.15

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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.