Home / 850,978,632.51-1,273,849,900.63-555,236,948.92

Finding the Fourth Proportional to 850,978,632.51, 1,273,849,900.63 and 555,236,948.92

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Solution

The fourth proportional to 850,978,632.51, 1,273,849,900.63 and 555,236,948.92 is: 831,147,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,978,632.51 : 1,273,849,900.63 = 555,236,948.92 : x
  2. Step 2: Convert to fraction form
    850,978,632.51/1,273,849,900.63 = 555,236,948.92/x
  3. Step 3: Cross multiply
    850,978,632.51x = 1,273,849,900.63 × 555,236,948.92
  4. Step 4: Simplify right side
    850,978,632.51x = 707,288,532,200,796,032
  5. Step 5: Solve for x
    x = 707,288,532,200,796,032/850,978,632.51
  6. Step 6: Final answer
    x = 831,147,228.83

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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.