Home / 1,128,796,925.16-1,557,388,321.51-652,313,705.97

Finding the Fourth Proportional to 1,128,796,925.16, 1,557,388,321.51 and 652,313,705.97

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Solution

The fourth proportional to 1,128,796,925.16, 1,557,388,321.51 and 652,313,705.97 is: 899,989,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,796,925.16 : 1,557,388,321.51 = 652,313,705.97 : x
  2. Step 2: Convert to fraction form
    1,128,796,925.16/1,557,388,321.51 = 652,313,705.97/x
  3. Step 3: Cross multiply
    1,128,796,925.16x = 1,557,388,321.51 × 652,313,705.97
  4. Step 4: Simplify right side
    1,128,796,925.16x = 1,015,905,747,638,585,984
  5. Step 5: Solve for x
    x = 1,015,905,747,638,585,984/1,128,796,925.16
  6. Step 6: Final answer
    x = 899,989,825.45

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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.