Home / 745,493,677.20-1,118,240,515.80-254,043,612.45

Finding the Fourth Proportional to 745,493,677.20, 1,118,240,515.80 and 254,043,612.45

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Solution

The fourth proportional to 745,493,677.20, 1,118,240,515.80 and 254,043,612.45 is: 381,065,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,493,677.20 : 1,118,240,515.80 = 254,043,612.45 : x
  2. Step 2: Convert to fraction form
    745,493,677.20/1,118,240,515.80 = 254,043,612.45/x
  3. Step 3: Cross multiply
    745,493,677.20x = 1,118,240,515.80 × 254,043,612.45
  4. Step 4: Simplify right side
    745,493,677.20x = 284,081,860,221,783,264
  5. Step 5: Solve for x
    x = 284,081,860,221,783,264/745,493,677.20
  6. Step 6: Final answer
    x = 381,065,418.68

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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.