Home / 397,889,946.83-549,075,255.68-228,372,089.94

Finding the Fourth Proportional to 397,889,946.83, 549,075,255.68 and 228,372,089.94

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Solution

The fourth proportional to 397,889,946.83, 549,075,255.68 and 228,372,089.94 is: 315,146,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,889,946.83 : 549,075,255.68 = 228,372,089.94 : x
  2. Step 2: Convert to fraction form
    397,889,946.83/549,075,255.68 = 228,372,089.94/x
  3. Step 3: Cross multiply
    397,889,946.83x = 549,075,255.68 × 228,372,089.94
  4. Step 4: Simplify right side
    397,889,946.83x = 125,393,463,674,552,384
  5. Step 5: Solve for x
    x = 125,393,463,674,552,384/397,889,946.83
  6. Step 6: Final answer
    x = 315,146,096.74

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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.