Home / 5,140,709,573.11-7,711,592,709.79-1,779,275,047.56

Finding the Fourth Proportional to 5,140,709,573.11, 7,711,592,709.79 and 1,779,275,047.56

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Solution

The fourth proportional to 5,140,709,573.11, 7,711,592,709.79 and 1,779,275,047.56 is: 2,669,095,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,709,573.11 : 7,711,592,709.79 = 1,779,275,047.56 : x
  2. Step 2: Convert to fraction form
    5,140,709,573.11/7,711,592,709.79 = 1,779,275,047.56/x
  3. Step 3: Cross multiply
    5,140,709,573.11x = 7,711,592,709.79 × 1,779,275,047.56
  4. Step 4: Simplify right side
    5,140,709,573.11x = 13,721,044,485,481,715,712
  5. Step 5: Solve for x
    x = 13,721,044,485,481,715,712/5,140,709,573.11
  6. Step 6: Final answer
    x = 2,669,095,441.08

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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.