Home / 745,937,010.20-1,118,905,515.30-254,486,945.45

Finding the Fourth Proportional to 745,937,010.20, 1,118,905,515.30 and 254,486,945.45

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Solution

The fourth proportional to 745,937,010.20, 1,118,905,515.30 and 254,486,945.45 is: 381,730,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,937,010.20 : 1,118,905,515.30 = 254,486,945.45 : x
  2. Step 2: Convert to fraction form
    745,937,010.20/1,118,905,515.30 = 254,486,945.45/x
  3. Step 3: Cross multiply
    745,937,010.20x = 1,118,905,515.30 × 254,486,945.45
  4. Step 4: Simplify right side
    745,937,010.20x = 284,746,846,835,855,200
  5. Step 5: Solve for x
    x = 284,746,846,835,855,200/745,937,010.20
  6. Step 6: Final answer
    x = 381,730,418.18

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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.