Home / 691,258,098.84-1,036,888,199.88-282,314,249.36

Finding the Fourth Proportional to 691,258,098.84, 1,036,888,199.88 and 282,314,249.36

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Solution

The fourth proportional to 691,258,098.84, 1,036,888,199.88 and 282,314,249.36 is: 423,471,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,258,098.84 : 1,036,888,199.88 = 282,314,249.36 : x
  2. Step 2: Convert to fraction form
    691,258,098.84/1,036,888,199.88 = 282,314,249.36/x
  3. Step 3: Cross multiply
    691,258,098.84x = 1,036,888,199.88 × 282,314,249.36
  4. Step 4: Simplify right side
    691,258,098.84x = 292,728,313,819,363,840
  5. Step 5: Solve for x
    x = 292,728,313,819,363,840/691,258,098.84
  6. Step 6: Final answer
    x = 423,471,803.53

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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.