Home / 253,219,606.63-380,264,084.78-155,425,569.78

Finding the Fourth Proportional to 253,219,606.63, 380,264,084.78 and 155,425,569.78

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Solution

The fourth proportional to 253,219,606.63, 380,264,084.78 and 155,425,569.78 is: 233,405,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,219,606.63 : 380,264,084.78 = 155,425,569.78 : x
  2. Step 2: Convert to fraction form
    253,219,606.63/380,264,084.78 = 155,425,569.78/x
  3. Step 3: Cross multiply
    253,219,606.63x = 380,264,084.78 × 155,425,569.78
  4. Step 4: Simplify right side
    253,219,606.63x = 59,102,762,043,024,592
  5. Step 5: Solve for x
    x = 59,102,762,043,024,592/253,219,606.63
  6. Step 6: Final answer
    x = 233,405,157.01

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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.