Home / 847,922,806.80-1,271,926,200.60-439,776,118.80

Finding the Fourth Proportional to 847,922,806.80, 1,271,926,200.60 and 439,776,118.80

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Solution

The fourth proportional to 847,922,806.80, 1,271,926,200.60 and 439,776,118.80 is: 659,685,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,922,806.80 : 1,271,926,200.60 = 439,776,118.80 : x
  2. Step 2: Convert to fraction form
    847,922,806.80/1,271,926,200.60 = 439,776,118.80/x
  3. Step 3: Cross multiply
    847,922,806.80x = 1,271,926,200.60 × 439,776,118.80
  4. Step 4: Simplify right side
    847,922,806.80x = 559,362,767,899,898,176
  5. Step 5: Solve for x
    x = 559,362,767,899,898,176/847,922,806.80
  6. Step 6: Final answer
    x = 659,685,956.57

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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.