Home / 209,746,642,726.40-289,449,822,541.16-117,046,525,255.57

Finding the Fourth Proportional to 209,746,642,726.40, 289,449,822,541.16 and 117,046,525,255.57

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Solution

The fourth proportional to 209,746,642,726.40, 289,449,822,541.16 and 117,046,525,255.57 is: 161,523,901,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,746,642,726.40 : 289,449,822,541.16 = 117,046,525,255.57 : x
  2. Step 2: Convert to fraction form
    209,746,642,726.40/289,449,822,541.16 = 117,046,525,255.57/x
  3. Step 3: Cross multiply
    209,746,642,726.40x = 289,449,822,541.16 × 117,046,525,255.57
  4. Step 4: Simplify right side
    209,746,642,726.40x = 33,879,095,964,284,139,601,920
  5. Step 5: Solve for x
    x = 33,879,095,964,284,139,601,920/209,746,642,726.40
  6. Step 6: Final answer
    x = 161,523,901,045.12

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Double scale
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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.