Home / 1,143,841,222.46-1,578,374,583-641,934,888.32

Finding the Fourth Proportional to 1,143,841,222.46, 1,578,374,583 and 641,934,888.32

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Solution

The fourth proportional to 1,143,841,222.46, 1,578,374,583 and 641,934,888.32 is: 885,799,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,841,222.46 : 1,578,374,583 = 641,934,888.32 : x
  2. Step 2: Convert to fraction form
    1,143,841,222.46/1,578,374,583 = 641,934,888.32/x
  3. Step 3: Cross multiply
    1,143,841,222.46x = 1,578,374,583 × 641,934,888.32
  4. Step 4: Simplify right side
    1,143,841,222.46x = 1,013,213,711,665,231,616
  5. Step 5: Solve for x
    x = 1,013,213,711,665,231,616/1,143,841,222.46
  6. Step 6: Final answer
    x = 885,799,262.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.