Home / 779,887,971.46-1,076,360,912.13-493,806,088.54

Finding the Fourth Proportional to 779,887,971.46, 1,076,360,912.13 and 493,806,088.54

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Solution

The fourth proportional to 779,887,971.46, 1,076,360,912.13 and 493,806,088.54 is: 681,525,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,887,971.46 : 1,076,360,912.13 = 493,806,088.54 : x
  2. Step 2: Convert to fraction form
    779,887,971.46/1,076,360,912.13 = 493,806,088.54/x
  3. Step 3: Cross multiply
    779,887,971.46x = 1,076,360,912.13 × 493,806,088.54
  4. Step 4: Simplify right side
    779,887,971.46x = 531,513,571,876,262,016
  5. Step 5: Solve for x
    x = 531,513,571,876,262,016/779,887,971.46
  6. Step 6: Final answer
    x = 681,525,541.27

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Double scale
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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.