Home / 1,532,830,961.75-2,115,307,653.93-827,983,254.58

Finding the Fourth Proportional to 1,532,830,961.75, 2,115,307,653.93 and 827,983,254.58

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Solution

The fourth proportional to 1,532,830,961.75, 2,115,307,653.93 and 827,983,254.58 is: 1,142,617,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,830,961.75 : 2,115,307,653.93 = 827,983,254.58 : x
  2. Step 2: Convert to fraction form
    1,532,830,961.75/2,115,307,653.93 = 827,983,254.58/x
  3. Step 3: Cross multiply
    1,532,830,961.75x = 2,115,307,653.93 × 827,983,254.58
  4. Step 4: Simplify right side
    1,532,830,961.75x = 1,751,439,315,734,805,760
  5. Step 5: Solve for x
    x = 1,751,439,315,734,805,760/1,532,830,961.75
  6. Step 6: Final answer
    x = 1,142,617,391.90

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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.