Home / 691,942,517,378.28-954,880,341,861.65-413,845,076,020.59

Finding the Fourth Proportional to 691,942,517,378.28, 954,880,341,861.65 and 413,845,076,020.59

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Solution

The fourth proportional to 691,942,517,378.28, 954,880,341,861.65 and 413,845,076,020.59 is: 571,106,006,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,942,517,378.28 : 954,880,341,861.65 = 413,845,076,020.59 : x
  2. Step 2: Convert to fraction form
    691,942,517,378.28/954,880,341,861.65 = 413,845,076,020.59/x
  3. Step 3: Cross multiply
    691,942,517,378.28x = 954,880,341,861.65 × 413,845,076,020.59
  4. Step 4: Simplify right side
    691,942,517,378.28x = 395,172,527,668,301,530,136,576
  5. Step 5: Solve for x
    x = 395,172,527,668,301,530,136,576/691,942,517,378.28
  6. Step 6: Final answer
    x = 571,106,006,269.97

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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.