Home / 938,140,047.90-1,407,220,905.60-283,096,747.98

Finding the Fourth Proportional to 938,140,047.90, 1,407,220,905.60 and 283,096,747.98

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Solution

The fourth proportional to 938,140,047.90, 1,407,220,905.60 and 283,096,747.98 is: 424,648,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,140,047.90 : 1,407,220,905.60 = 283,096,747.98 : x
  2. Step 2: Convert to fraction form
    938,140,047.90/1,407,220,905.60 = 283,096,747.98/x
  3. Step 3: Cross multiply
    938,140,047.90x = 1,407,220,905.60 × 283,096,747.98
  4. Step 4: Simplify right side
    938,140,047.90x = 398,379,662,064,830,592
  5. Step 5: Solve for x
    x = 398,379,662,064,830,592/938,140,047.90
  6. Step 6: Final answer
    x = 424,648,391.20

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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.