Home / 621,486,693,853.76-857,642,584,582.20-347,136,250,213.28

Finding the Fourth Proportional to 621,486,693,853.76, 857,642,584,582.20 and 347,136,250,213.28

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Solution

The fourth proportional to 621,486,693,853.76, 857,642,584,582.20 and 347,136,250,213.28 is: 479,042,968,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,486,693,853.76 : 857,642,584,582.20 = 347,136,250,213.28 : x
  2. Step 2: Convert to fraction form
    621,486,693,853.76/857,642,584,582.20 = 347,136,250,213.28/x
  3. Step 3: Cross multiply
    621,486,693,853.76x = 857,642,584,582.20 × 347,136,250,213.28
  4. Step 4: Simplify right side
    621,486,693,853.76x = 297,718,830,835,090,730,254,336
  5. Step 5: Solve for x
    x = 297,718,830,835,090,730,254,336/621,486,693,853.76
  6. Step 6: Final answer
    x = 479,042,968,706.18

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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.