Home / 405,429,674.41-559,497,360.35-238,172,985.19

Finding the Fourth Proportional to 405,429,674.41, 559,497,360.35 and 238,172,985.19

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Solution

The fourth proportional to 405,429,674.41, 559,497,360.35 and 238,172,985.19 is: 328,681,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,429,674.41 : 559,497,360.35 = 238,172,985.19 : x
  2. Step 2: Convert to fraction form
    405,429,674.41/559,497,360.35 = 238,172,985.19/x
  3. Step 3: Cross multiply
    405,429,674.41x = 559,497,360.35 × 238,172,985.19
  4. Step 4: Simplify right side
    405,429,674.41x = 133,257,156,520,484,640
  5. Step 5: Solve for x
    x = 133,257,156,520,484,640/405,429,674.41
  6. Step 6: Final answer
    x = 328,681,310.06

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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.