Home / 436,393,220.76-602,235,412.02-238,167,429.48

Finding the Fourth Proportional to 436,393,220.76, 602,235,412.02 and 238,167,429.48

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Solution

The fourth proportional to 436,393,220.76, 602,235,412.02 and 238,167,429.48 is: 328,678,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,393,220.76 : 602,235,412.02 = 238,167,429.48 : x
  2. Step 2: Convert to fraction form
    436,393,220.76/602,235,412.02 = 238,167,429.48/x
  3. Step 3: Cross multiply
    436,393,220.76x = 602,235,412.02 × 238,167,429.48
  4. Step 4: Simplify right side
    436,393,220.76x = 143,432,860,022,632,080
  5. Step 5: Solve for x
    x = 143,432,860,022,632,080/436,393,220.76
  6. Step 6: Final answer
    x = 328,678,020.65

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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.