Home / 843,369,638,578.65-1,264,655,670,144.10-326,713,130,274.91

Finding the Fourth Proportional to 843,369,638,578.65, 1,264,655,670,144.10 and 326,713,130,274.91

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Solution

The fourth proportional to 843,369,638,578.65, 1,264,655,670,144.10 and 326,713,130,274.91 is: 489,915,208,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,369,638,578.65 : 1,264,655,670,144.10 = 326,713,130,274.91 : x
  2. Step 2: Convert to fraction form
    843,369,638,578.65/1,264,655,670,144.10 = 326,713,130,274.91/x
  3. Step 3: Cross multiply
    843,369,638,578.65x = 1,264,655,670,144.10 × 326,713,130,274.91
  4. Step 4: Simplify right side
    843,369,638,578.65x = 413,179,612,712,692,954,955,776
  5. Step 5: Solve for x
    x = 413,179,612,712,692,954,955,776/843,369,638,578.65
  6. Step 6: Final answer
    x = 489,915,208,957.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.