Home / 621,486,693,854.16-857,642,584,582.64-347,136,250,213.66

Finding the Fourth Proportional to 621,486,693,854.16, 857,642,584,582.64 and 347,136,250,213.66

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Solution

The fourth proportional to 621,486,693,854.16, 857,642,584,582.64 and 347,136,250,213.66 is: 479,042,968,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,486,693,854.16 : 857,642,584,582.64 = 347,136,250,213.66 : x
  2. Step 2: Convert to fraction form
    621,486,693,854.16/857,642,584,582.64 = 347,136,250,213.66/x
  3. Step 3: Cross multiply
    621,486,693,854.16x = 857,642,584,582.64 × 347,136,250,213.66
  4. Step 4: Simplify right side
    621,486,693,854.16x = 297,718,830,835,569,350,672,384
  5. Step 5: Solve for x
    x = 297,718,830,835,569,350,672,384/621,486,693,854.16
  6. Step 6: Final answer
    x = 479,042,968,706.64

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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.