Home / 1,600,627,393.25-2,208,865,802.69-868,065,985.25

Finding the Fourth Proportional to 1,600,627,393.25, 2,208,865,802.69 and 868,065,985.25

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Solution

The fourth proportional to 1,600,627,393.25, 2,208,865,802.69 and 868,065,985.25 is: 1,197,931,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,627,393.25 : 2,208,865,802.69 = 868,065,985.25 : x
  2. Step 2: Convert to fraction form
    1,600,627,393.25/2,208,865,802.69 = 868,065,985.25/x
  3. Step 3: Cross multiply
    1,600,627,393.25x = 2,208,865,802.69 × 868,065,985.25
  4. Step 4: Simplify right side
    1,600,627,393.25x = 1,917,441,269,292,786,688
  5. Step 5: Solve for x
    x = 1,917,441,269,292,786,688/1,600,627,393.25
  6. Step 6: Final answer
    x = 1,197,931,059.65

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Double scale
Find fourth proportional to 1,600,627,394.25, 2,208,865,804.07 and 868,065,986.25
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1.5x scale

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.