Home / 1,057,916,071.37-1,583,421,059.85-777,722,815.37

Finding the Fourth Proportional to 1,057,916,071.37, 1,583,421,059.85 and 777,722,815.37

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Solution

The fourth proportional to 1,057,916,071.37, 1,583,421,059.85 and 777,722,815.37 is: 1,164,045,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,916,071.37 : 1,583,421,059.85 = 777,722,815.37 : x
  2. Step 2: Convert to fraction form
    1,057,916,071.37/1,583,421,059.85 = 777,722,815.37/x
  3. Step 3: Cross multiply
    1,057,916,071.37x = 1,583,421,059.85 × 777,722,815.37
  4. Step 4: Simplify right side
    1,057,916,071.37x = 1,231,462,684,583,772,160
  5. Step 5: Solve for x
    x = 1,231,462,684,583,772,160/1,057,916,071.37
  6. Step 6: Final answer
    x = 1,164,045,729.06

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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.