Home / 437,583,701.36-656,133,232.44-178,980,518

Finding the Fourth Proportional to 437,583,701.36, 656,133,232.44 and 178,980,518

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Solution

The fourth proportional to 437,583,701.36, 656,133,232.44 and 178,980,518 is: 268,371,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,583,701.36 : 656,133,232.44 = 178,980,518 : x
  2. Step 2: Convert to fraction form
    437,583,701.36/656,133,232.44 = 178,980,518/x
  3. Step 3: Cross multiply
    437,583,701.36x = 656,133,232.44 × 178,980,518
  4. Step 4: Simplify right side
    437,583,701.36x = 117,435,065,819,125,616
  5. Step 5: Solve for x
    x = 117,435,065,819,125,616/437,583,701.36
  6. Step 6: Final answer
    x = 268,371,663.42

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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.