Home / 499,574,200.86-689,420,562.57-273,509,415.18

Finding the Fourth Proportional to 499,574,200.86, 689,420,562.57 and 273,509,415.18

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Solution

The fourth proportional to 499,574,200.86, 689,420,562.57 and 273,509,415.18 is: 377,447,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,574,200.86 : 689,420,562.57 = 273,509,415.18 : x
  2. Step 2: Convert to fraction form
    499,574,200.86/689,420,562.57 = 273,509,415.18/x
  3. Step 3: Cross multiply
    499,574,200.86x = 689,420,562.57 × 273,509,415.18
  4. Step 4: Simplify right side
    499,574,200.86x = 188,563,014,881,587,328
  5. Step 5: Solve for x
    x = 188,563,014,881,587,328/499,574,200.86
  6. Step 6: Final answer
    x = 377,447,463.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.