Home / 808,429,102.86-1,115,638,834.48-446,334,729.96

Finding the Fourth Proportional to 808,429,102.86, 1,115,638,834.48 and 446,334,729.96

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Solution

The fourth proportional to 808,429,102.86, 1,115,638,834.48 and 446,334,729.96 is: 615,945,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,429,102.86 : 1,115,638,834.48 = 446,334,729.96 : x
  2. Step 2: Convert to fraction form
    808,429,102.86/1,115,638,834.48 = 446,334,729.96/x
  3. Step 3: Cross multiply
    808,429,102.86x = 1,115,638,834.48 × 446,334,729.96
  4. Step 4: Simplify right side
    808,429,102.86x = 497,948,357,920,519,936
  5. Step 5: Solve for x
    x = 497,948,357,920,519,936/808,429,102.86
  6. Step 6: Final answer
    x = 615,945,611.26

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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.