Home / 829,257,416.75-1,143,617,326.87-648,228,314.57

Finding the Fourth Proportional to 829,257,416.75, 1,143,617,326.87 and 648,228,314.57

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Solution

The fourth proportional to 829,257,416.75, 1,143,617,326.87 and 648,228,314.57 is: 893,962,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,257,416.75 : 1,143,617,326.87 = 648,228,314.57 : x
  2. Step 2: Convert to fraction form
    829,257,416.75/1,143,617,326.87 = 648,228,314.57/x
  3. Step 3: Cross multiply
    829,257,416.75x = 1,143,617,326.87 × 648,228,314.57
  4. Step 4: Simplify right side
    829,257,416.75x = 741,325,132,302,650,368
  5. Step 5: Solve for x
    x = 741,325,132,302,650,368/829,257,416.75
  6. Step 6: Final answer
    x = 893,962,619.25

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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.