Home / 621,475,255,415.61-857,626,725,204.38-347,124,911,659.24

Finding the Fourth Proportional to 621,475,255,415.61, 857,626,725,204.38 and 347,124,911,659.24

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Solution

The fourth proportional to 621,475,255,415.61, 857,626,725,204.38 and 347,124,911,659.24 is: 479,027,280,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,475,255,415.61 : 857,626,725,204.38 = 347,124,911,659.24 : x
  2. Step 2: Convert to fraction form
    621,475,255,415.61/857,626,725,204.38 = 347,124,911,659.24/x
  3. Step 3: Cross multiply
    621,475,255,415.61x = 857,626,725,204.38 × 347,124,911,659.24
  4. Step 4: Simplify right side
    621,475,255,415.61x = 297,703,601,223,173,694,029,824
  5. Step 5: Solve for x
    x = 297,703,601,223,173,694,029,824/621,475,255,415.61
  6. Step 6: Final answer
    x = 479,027,280,054.92

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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.