Home / 621,475,255,643.04-857,626,725,517.76-347,124,911,886.88

Finding the Fourth Proportional to 621,475,255,643.04, 857,626,725,517.76 and 347,124,911,886.88

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Solution

The fourth proportional to 621,475,255,643.04, 857,626,725,517.76 and 347,124,911,886.88 is: 479,027,280,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,475,255,643.04 : 857,626,725,517.76 = 347,124,911,886.88 : x
  2. Step 2: Convert to fraction form
    621,475,255,643.04/857,626,725,517.76 = 347,124,911,886.88/x
  3. Step 3: Cross multiply
    621,475,255,643.04x = 857,626,725,517.76 × 347,124,911,886.88
  4. Step 4: Simplify right side
    621,475,255,643.04x = 297,703,601,527,185,874,092,032
  5. Step 5: Solve for x
    x = 297,703,601,527,185,874,092,032/621,475,255,643.04
  6. Step 6: Final answer
    x = 479,027,280,368.79

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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.