Home / 284,877,000.40-427,315,500.60-259,934,702.80

Finding the Fourth Proportional to 284,877,000.40, 427,315,500.60 and 259,934,702.80

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Solution

The fourth proportional to 284,877,000.40, 427,315,500.60 and 259,934,702.80 is: 389,902,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,877,000.40 : 427,315,500.60 = 259,934,702.80 : x
  2. Step 2: Convert to fraction form
    284,877,000.40/427,315,500.60 = 259,934,702.80/x
  3. Step 3: Cross multiply
    284,877,000.40x = 427,315,500.60 × 259,934,702.80
  4. Step 4: Simplify right side
    284,877,000.40x = 111,074,127,650,294,240
  5. Step 5: Solve for x
    x = 111,074,127,650,294,240/284,877,000.40
  6. Step 6: Final answer
    x = 389,902,054.20

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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.