Home / 10,779,899,328.80-16,169,848,993.20-9,201,732,135.20

Finding the Fourth Proportional to 10,779,899,328.80, 16,169,848,993.20 and 9,201,732,135.20

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Solution

The fourth proportional to 10,779,899,328.80, 16,169,848,993.20 and 9,201,732,135.20 is: 13,802,598,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,899,328.80 : 16,169,848,993.20 = 9,201,732,135.20 : x
  2. Step 2: Convert to fraction form
    10,779,899,328.80/16,169,848,993.20 = 9,201,732,135.20/x
  3. Step 3: Cross multiply
    10,779,899,328.80x = 16,169,848,993.20 × 9,201,732,135.20
  4. Step 4: Simplify right side
    10,779,899,328.80x = 148,790,619,102,059,823,104
  5. Step 5: Solve for x
    x = 148,790,619,102,059,823,104/10,779,899,328.80
  6. Step 6: Final answer
    x = 13,802,598,202.80

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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.