Home / 621,364,432,762.86-851,255,116,608.36-598,132,614,579.90

Finding the Fourth Proportional to 621,364,432,762.86, 851,255,116,608.36 and 598,132,614,579.90

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Solution

The fourth proportional to 621,364,432,762.86, 851,255,116,608.36 and 598,132,614,579.90 is: 819,428,054,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,364,432,762.86 : 851,255,116,608.36 = 598,132,614,579.90 : x
  2. Step 2: Convert to fraction form
    621,364,432,762.86/851,255,116,608.36 = 598,132,614,579.90/x
  3. Step 3: Cross multiply
    621,364,432,762.86x = 851,255,116,608.36 × 598,132,614,579.90
  4. Step 4: Simplify right side
    621,364,432,762.86x = 509,163,448,571,476,064,600,064
  5. Step 5: Solve for x
    x = 509,163,448,571,476,064,600,064/621,364,432,762.86
  6. Step 6: Final answer
    x = 819,428,054,978.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.