Home / 612,609,773.78-919,357,313.49-243,932,253.93

Finding the Fourth Proportional to 612,609,773.78, 919,357,313.49 and 243,932,253.93

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Solution

The fourth proportional to 612,609,773.78, 919,357,313.49 and 243,932,253.93 is: 366,074,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,609,773.78 : 919,357,313.49 = 243,932,253.93 : x
  2. Step 2: Convert to fraction form
    612,609,773.78/919,357,313.49 = 243,932,253.93/x
  3. Step 3: Cross multiply
    612,609,773.78x = 919,357,313.49 × 243,932,253.93
  4. Step 4: Simplify right side
    612,609,773.78x = 224,260,901,649,237,888
  5. Step 5: Solve for x
    x = 224,260,901,649,237,888/612,609,773.78
  6. Step 6: Final answer
    x = 366,074,638.78

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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.