Home / 1,045,587,064.80-1,568,716,520.40-700,929,861.60

Finding the Fourth Proportional to 1,045,587,064.80, 1,568,716,520.40 and 700,929,861.60

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Solution

The fourth proportional to 1,045,587,064.80, 1,568,716,520.40 and 700,929,861.60 is: 1,051,619,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,587,064.80 : 1,568,716,520.40 = 700,929,861.60 : x
  2. Step 2: Convert to fraction form
    1,045,587,064.80/1,568,716,520.40 = 700,929,861.60/x
  3. Step 3: Cross multiply
    1,045,587,064.80x = 1,568,716,520.40 × 700,929,861.60
  4. Step 4: Simplify right side
    1,045,587,064.80x = 1,099,560,253,533,605,632
  5. Step 5: Solve for x
    x = 1,099,560,253,533,605,632/1,045,587,064.80
  6. Step 6: Final answer
    x = 1,051,619,985.13

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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.