Home / 449,147,665.02-619,789,184.55-253,596,678.78

Finding the Fourth Proportional to 449,147,665.02, 619,789,184.55 and 253,596,678.78

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Solution

The fourth proportional to 449,147,665.02, 619,789,184.55 and 253,596,678.78 is: 349,943,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,147,665.02 : 619,789,184.55 = 253,596,678.78 : x
  2. Step 2: Convert to fraction form
    449,147,665.02/619,789,184.55 = 253,596,678.78/x
  3. Step 3: Cross multiply
    449,147,665.02x = 619,789,184.55 × 253,596,678.78
  4. Step 4: Simplify right side
    449,147,665.02x = 157,176,478,745,644,480
  5. Step 5: Solve for x
    x = 157,176,478,745,644,480/449,147,665.02
  6. Step 6: Final answer
    x = 349,943,884.80

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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.