Home / 1,365,983,134.56-2,048,668,039.80-628,344,601.20

Finding the Fourth Proportional to 1,365,983,134.56, 2,048,668,039.80 and 628,344,601.20

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Solution

The fourth proportional to 1,365,983,134.56, 2,048,668,039.80 and 628,344,601.20 is: 942,375,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,983,134.56 : 2,048,668,039.80 = 628,344,601.20 : x
  2. Step 2: Convert to fraction form
    1,365,983,134.56/2,048,668,039.80 = 628,344,601.20/x
  3. Step 3: Cross multiply
    1,365,983,134.56x = 2,048,668,039.80 × 628,344,601.20
  4. Step 4: Simplify right side
    1,365,983,134.56x = 1,287,269,502,459,316,736
  5. Step 5: Solve for x
    x = 1,287,269,502,459,316,736/1,365,983,134.56
  6. Step 6: Final answer
    x = 942,375,838.98

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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.