Home / 991,035,805.68-1,367,242,336.92-567,423,071.25

Finding the Fourth Proportional to 991,035,805.68, 1,367,242,336.92 and 567,423,071.25

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Solution

The fourth proportional to 991,035,805.68, 1,367,242,336.92 and 567,423,071.25 is: 782,822,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,035,805.68 : 1,367,242,336.92 = 567,423,071.25 : x
  2. Step 2: Convert to fraction form
    991,035,805.68/1,367,242,336.92 = 567,423,071.25/x
  3. Step 3: Cross multiply
    991,035,805.68x = 1,367,242,336.92 × 567,423,071.25
  4. Step 4: Simplify right side
    991,035,805.68x = 775,804,845,958,173,696
  5. Step 5: Solve for x
    x = 775,804,845,958,173,696/991,035,805.68
  6. Step 6: Final answer
    x = 782,822,216.42

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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.