Home / 768,527,989,812.20-1,152,559,891,147.60-231,163,299,977.56

Finding the Fourth Proportional to 768,527,989,812.20, 1,152,559,891,147.60 and 231,163,299,977.56

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Solution

The fourth proportional to 768,527,989,812.20, 1,152,559,891,147.60 and 231,163,299,977.56 is: 346,675,139,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,527,989,812.20 : 1,152,559,891,147.60 = 231,163,299,977.56 : x
  2. Step 2: Convert to fraction form
    768,527,989,812.20/1,152,559,891,147.60 = 231,163,299,977.56/x
  3. Step 3: Cross multiply
    768,527,989,812.20x = 1,152,559,891,147.60 × 231,163,299,977.56
  4. Step 4: Simplify right side
    768,527,989,812.20x = 266,429,547,859,456,594,804,736
  5. Step 5: Solve for x
    x = 266,429,547,859,456,594,804,736/768,527,989,812.20
  6. Step 6: Final answer
    x = 346,675,139,215.90

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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.