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Finding the Fourth Proportional to 1,294,752,427.56, 1,786,896,816.96 and 793,294,000.20

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Solution

The fourth proportional to 1,294,752,427.56, 1,786,896,816.96 and 793,294,000.20 is: 1,094,830,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,752,427.56 : 1,786,896,816.96 = 793,294,000.20 : x
  2. Step 2: Convert to fraction form
    1,294,752,427.56/1,786,896,816.96 = 793,294,000.20/x
  3. Step 3: Cross multiply
    1,294,752,427.56x = 1,786,896,816.96 × 793,294,000.20
  4. Step 4: Simplify right side
    1,294,752,427.56x = 1,417,534,523,870,845,696
  5. Step 5: Solve for x
    x = 1,417,534,523,870,845,696/1,294,752,427.56
  6. Step 6: Final answer
    x = 1,094,830,558.88

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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.