Home / 278,502,471.32-417,819,054.54-273,875,391.68

Finding the Fourth Proportional to 278,502,471.32, 417,819,054.54 and 273,875,391.68

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Solution

The fourth proportional to 278,502,471.32, 417,819,054.54 and 273,875,391.68 is: 410,877,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,502,471.32 : 417,819,054.54 = 273,875,391.68 : x
  2. Step 2: Convert to fraction form
    278,502,471.32/417,819,054.54 = 273,875,391.68/x
  3. Step 3: Cross multiply
    278,502,471.32x = 417,819,054.54 × 273,875,391.68
  4. Step 4: Simplify right side
    278,502,471.32x = 114,430,357,213,509,792
  5. Step 5: Solve for x
    x = 114,430,357,213,509,792/278,502,471.32
  6. Step 6: Final answer
    x = 410,877,349.39

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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.