Home / 380,241,018.54-569,379,235.68-262,429,309.80

Finding the Fourth Proportional to 380,241,018.54, 569,379,235.68 and 262,429,309.80

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Solution

The fourth proportional to 380,241,018.54, 569,379,235.68 and 262,429,309.80 is: 392,966,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,241,018.54 : 569,379,235.68 = 262,429,309.80 : x
  2. Step 2: Convert to fraction form
    380,241,018.54/569,379,235.68 = 262,429,309.80/x
  3. Step 3: Cross multiply
    380,241,018.54x = 569,379,235.68 × 262,429,309.80
  4. Step 4: Simplify right side
    380,241,018.54x = 149,421,799,833,953,920
  5. Step 5: Solve for x
    x = 149,421,799,833,953,920/380,241,018.54
  6. Step 6: Final answer
    x = 392,966,020.36

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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.