Home / 1,148,046,078.30-1,583,457,664.50-865,800,399.90

Finding the Fourth Proportional to 1,148,046,078.30, 1,583,457,664.50 and 865,800,399.90

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Solution

The fourth proportional to 1,148,046,078.30, 1,583,457,664.50 and 865,800,399.90 is: 1,194,166,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,046,078.30 : 1,583,457,664.50 = 865,800,399.90 : x
  2. Step 2: Convert to fraction form
    1,148,046,078.30/1,583,457,664.50 = 865,800,399.90/x
  3. Step 3: Cross multiply
    1,148,046,078.30x = 1,583,457,664.50 × 865,800,399.90
  4. Step 4: Simplify right side
    1,148,046,078.30x = 1,370,958,279,148,819,968
  5. Step 5: Solve for x
    x = 1,370,958,279,148,819,968/1,148,046,078.30
  6. Step 6: Final answer
    x = 1,194,166,597.55

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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.