Home / 1,255,816,399.77-1,884,008,392.88-415,457,174.52

Finding the Fourth Proportional to 1,255,816,399.77, 1,884,008,392.88 and 415,457,174.52

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Solution

The fourth proportional to 1,255,816,399.77, 1,884,008,392.88 and 415,457,174.52 is: 623,279,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,816,399.77 : 1,884,008,392.88 = 415,457,174.52 : x
  2. Step 2: Convert to fraction form
    1,255,816,399.77/1,884,008,392.88 = 415,457,174.52/x
  3. Step 3: Cross multiply
    1,255,816,399.77x = 1,884,008,392.88 × 415,457,174.52
  4. Step 4: Simplify right side
    1,255,816,399.77x = 782,724,803,675,813,504
  5. Step 5: Solve for x
    x = 782,724,803,675,813,504/1,255,816,399.77
  6. Step 6: Final answer
    x = 623,279,648.06

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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.