Home / 10,779,899,322.30-16,169,848,983.45-9,201,732,128.70

Finding the Fourth Proportional to 10,779,899,322.30, 16,169,848,983.45 and 9,201,732,128.70

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Solution

The fourth proportional to 10,779,899,322.30, 16,169,848,983.45 and 9,201,732,128.70 is: 13,802,598,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,899,322.30 : 16,169,848,983.45 = 9,201,732,128.70 : x
  2. Step 2: Convert to fraction form
    10,779,899,322.30/16,169,848,983.45 = 9,201,732,128.70/x
  3. Step 3: Cross multiply
    10,779,899,322.30x = 16,169,848,983.45 × 9,201,732,128.70
  4. Step 4: Simplify right side
    10,779,899,322.30x = 148,790,618,907,238,924,288
  5. Step 5: Solve for x
    x = 148,790,618,907,238,924,288/10,779,899,322.30
  6. Step 6: Final answer
    x = 13,802,598,193.05

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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.