Home / 12,537,477,942.24-18,800,405,529.20-4,674,779,116.80

Finding the Fourth Proportional to 12,537,477,942.24, 18,800,405,529.20 and 4,674,779,116.80

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Solution

The fourth proportional to 12,537,477,942.24, 18,800,405,529.20 and 4,674,779,116.80 is: 7,010,001,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537,477,942.24 : 18,800,405,529.20 = 4,674,779,116.80 : x
  2. Step 2: Convert to fraction form
    12,537,477,942.24/18,800,405,529.20 = 4,674,779,116.80/x
  3. Step 3: Cross multiply
    12,537,477,942.24x = 18,800,405,529.20 × 4,674,779,116.80
  4. Step 4: Simplify right side
    12,537,477,942.24x = 87,887,743,155,275,415,552
  5. Step 5: Solve for x
    x = 87,887,743,155,275,415,552/12,537,477,942.24
  6. Step 6: Final answer
    x = 7,010,001,816.97

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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.