Home / 993,540,605.45-1,371,095,102.90-547,519,971.87

Finding the Fourth Proportional to 993,540,605.45, 1,371,095,102.90 and 547,519,971.87

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Solution

The fourth proportional to 993,540,605.45, 1,371,095,102.90 and 547,519,971.87 is: 755,582,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,540,605.45 : 1,371,095,102.90 = 547,519,971.87 : x
  2. Step 2: Convert to fraction form
    993,540,605.45/1,371,095,102.90 = 547,519,971.87/x
  3. Step 3: Cross multiply
    993,540,605.45x = 1,371,095,102.90 × 547,519,971.87
  4. Step 4: Simplify right side
    993,540,605.45x = 750,701,952,168,165,120
  5. Step 5: Solve for x
    x = 750,701,952,168,165,120/993,540,605.45
  6. Step 6: Final answer
    x = 755,582,558.03

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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.