Home / 459,670,665.84-689,378,329.83-127,601,331.63

Finding the Fourth Proportional to 459,670,665.84, 689,378,329.83 and 127,601,331.63

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Solution

The fourth proportional to 459,670,665.84, 689,378,329.83 and 127,601,331.63 is: 191,366,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,670,665.84 : 689,378,329.83 = 127,601,331.63 : x
  2. Step 2: Convert to fraction form
    459,670,665.84/689,378,329.83 = 127,601,331.63/x
  3. Step 3: Cross multiply
    459,670,665.84x = 689,378,329.83 × 127,601,331.63
  4. Step 4: Simplify right side
    459,670,665.84x = 87,965,592,884,229,488
  5. Step 5: Solve for x
    x = 87,965,592,884,229,488/459,670,665.84
  6. Step 6: Final answer
    x = 191,366,557.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.