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Finding the Fourth Proportional to 1,160,697,904.80, 1,738,779,375.60 and 699,265,399.20

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Solution

The fourth proportional to 1,160,697,904.80, 1,738,779,375.60 and 699,265,399.20 is: 1,047,532,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,697,904.80 : 1,738,779,375.60 = 699,265,399.20 : x
  2. Step 2: Convert to fraction form
    1,160,697,904.80/1,738,779,375.60 = 699,265,399.20/x
  3. Step 3: Cross multiply
    1,160,697,904.80x = 1,738,779,375.60 × 699,265,399.20
  4. Step 4: Simplify right side
    1,160,697,904.80x = 1,215,868,254,199,660,800
  5. Step 5: Solve for x
    x = 1,215,868,254,199,660,800/1,160,697,904.80
  6. Step 6: Final answer
    x = 1,047,532,048.75

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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.