Home / 5,287,497,194.93-7,931,301,089.52-1,556,859,221.19

Finding the Fourth Proportional to 5,287,497,194.93, 7,931,301,089.52 and 1,556,859,221.19

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Solution

The fourth proportional to 5,287,497,194.93, 7,931,301,089.52 and 1,556,859,221.19 is: 2,335,305,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287,497,194.93 : 7,931,301,089.52 = 1,556,859,221.19 : x
  2. Step 2: Convert to fraction form
    5,287,497,194.93/7,931,301,089.52 = 1,556,859,221.19/x
  3. Step 3: Cross multiply
    5,287,497,194.93x = 7,931,301,089.52 × 1,556,859,221.19
  4. Step 4: Simplify right side
    5,287,497,194.93x = 12,347,919,237,253,507,072
  5. Step 5: Solve for x
    x = 12,347,919,237,253,507,072/5,287,497,194.93
  6. Step 6: Final answer
    x = 2,335,305,113.56

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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.