Home / 1,128,796,930.42-1,557,388,328.74-652,313,711.22

Finding the Fourth Proportional to 1,128,796,930.42, 1,557,388,328.74 and 652,313,711.22

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Solution

The fourth proportional to 1,128,796,930.42, 1,557,388,328.74 and 652,313,711.22 is: 899,989,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,796,930.42 : 1,557,388,328.74 = 652,313,711.22 : x
  2. Step 2: Convert to fraction form
    1,128,796,930.42/1,557,388,328.74 = 652,313,711.22/x
  3. Step 3: Cross multiply
    1,128,796,930.42x = 1,557,388,328.74 × 652,313,711.22
  4. Step 4: Simplify right side
    1,128,796,930.42x = 1,015,905,760,531,102,848
  5. Step 5: Solve for x
    x = 1,015,905,760,531,102,848/1,128,796,930.42
  6. Step 6: Final answer
    x = 899,989,832.67

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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.