Home / 538,877,798.22-743,510,831.50-315,739,589.74

Finding the Fourth Proportional to 538,877,798.22, 743,510,831.50 and 315,739,589.74

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Solution

The fourth proportional to 538,877,798.22, 743,510,831.50 and 315,739,589.74 is: 435,638,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,877,798.22 : 743,510,831.50 = 315,739,589.74 : x
  2. Step 2: Convert to fraction form
    538,877,798.22/743,510,831.50 = 315,739,589.74/x
  3. Step 3: Cross multiply
    538,877,798.22x = 743,510,831.50 × 315,739,589.74
  4. Step 4: Simplify right side
    538,877,798.22x = 234,755,804,905,056,288
  5. Step 5: Solve for x
    x = 234,755,804,905,056,288/538,877,798.22
  6. Step 6: Final answer
    x = 435,638,294.40

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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.