Home / 938,140,079.40-1,407,220,952.85-283,096,779.48

Finding the Fourth Proportional to 938,140,079.40, 1,407,220,952.85 and 283,096,779.48

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Solution

The fourth proportional to 938,140,079.40, 1,407,220,952.85 and 283,096,779.48 is: 424,648,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,140,079.40 : 1,407,220,952.85 = 283,096,779.48 : x
  2. Step 2: Convert to fraction form
    938,140,079.40/1,407,220,952.85 = 283,096,779.48/x
  3. Step 3: Cross multiply
    938,140,079.40x = 1,407,220,952.85 × 283,096,779.48
  4. Step 4: Simplify right side
    938,140,079.40x = 398,379,719,768,611,904
  5. Step 5: Solve for x
    x = 398,379,719,768,611,904/938,140,079.40
  6. Step 6: Final answer
    x = 424,648,438.45

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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.