Home / 877,644,564.67-1,211,272,888.44-543,224,358.55

Finding the Fourth Proportional to 877,644,564.67, 1,211,272,888.44 and 543,224,358.55

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Solution

The fourth proportional to 877,644,564.67, 1,211,272,888.44 and 543,224,358.55 is: 749,725,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,644,564.67 : 1,211,272,888.44 = 543,224,358.55 : x
  2. Step 2: Convert to fraction form
    877,644,564.67/1,211,272,888.44 = 543,224,358.55/x
  3. Step 3: Cross multiply
    877,644,564.67x = 1,211,272,888.44 × 543,224,358.55
  4. Step 4: Simplify right side
    877,644,564.67x = 657,992,937,851,824,640
  5. Step 5: Solve for x
    x = 657,992,937,851,824,640/877,644,564.67
  6. Step 6: Final answer
    x = 749,725,987.42

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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.