Home / 680,366,592.36-1,019,720,782.13-352,661,438.52

Finding the Fourth Proportional to 680,366,592.36, 1,019,720,782.13 and 352,661,438.52

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Solution

The fourth proportional to 680,366,592.36, 1,019,720,782.13 and 352,661,438.52 is: 528,562,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,366,592.36 : 1,019,720,782.13 = 352,661,438.52 : x
  2. Step 2: Convert to fraction form
    680,366,592.36/1,019,720,782.13 = 352,661,438.52/x
  3. Step 3: Cross multiply
    680,366,592.36x = 1,019,720,782.13 × 352,661,438.52
  4. Step 4: Simplify right side
    680,366,592.36x = 359,616,197,912,941,952
  5. Step 5: Solve for x
    x = 359,616,197,912,941,952/680,366,592.36
  6. Step 6: Final answer
    x = 528,562,398.49

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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.