Home / 284,064,014.40-426,096,021.60-272,916,340.80

Finding the Fourth Proportional to 284,064,014.40, 426,096,021.60 and 272,916,340.80

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Solution

The fourth proportional to 284,064,014.40, 426,096,021.60 and 272,916,340.80 is: 409,374,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,064,014.40 : 426,096,021.60 = 272,916,340.80 : x
  2. Step 2: Convert to fraction form
    284,064,014.40/426,096,021.60 = 272,916,340.80/x
  3. Step 3: Cross multiply
    284,064,014.40x = 426,096,021.60 × 272,916,340.80
  4. Step 4: Simplify right side
    284,064,014.40x = 116,288,567,044,509,776
  5. Step 5: Solve for x
    x = 116,288,567,044,509,776/284,064,014.40
  6. Step 6: Final answer
    x = 409,374,511.20

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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.