Home / 786,254,825.73-1,085,054,370.09-433,853,510.21

Finding the Fourth Proportional to 786,254,825.73, 1,085,054,370.09 and 433,853,510.21

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Solution

The fourth proportional to 786,254,825.73, 1,085,054,370.09 and 433,853,510.21 is: 598,730,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,254,825.73 : 1,085,054,370.09 = 433,853,510.21 : x
  2. Step 2: Convert to fraction form
    786,254,825.73/1,085,054,370.09 = 433,853,510.21/x
  3. Step 3: Cross multiply
    786,254,825.73x = 1,085,054,370.09 × 433,853,510.21
  4. Step 4: Simplify right side
    786,254,825.73x = 470,754,647,226,821,632
  5. Step 5: Solve for x
    x = 470,754,647,226,821,632/786,254,825.73
  6. Step 6: Final answer
    x = 598,730,375.73

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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.