Home / 963,119,638.54-1,329,111,903.63-523,086,490.54

Finding the Fourth Proportional to 963,119,638.54, 1,329,111,903.63 and 523,086,490.54

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Solution

The fourth proportional to 963,119,638.54, 1,329,111,903.63 and 523,086,490.54 is: 721,863,051.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,119,638.54 : 1,329,111,903.63 = 523,086,490.54 : x
  2. Step 2: Convert to fraction form
    963,119,638.54/1,329,111,903.63 = 523,086,490.54/x
  3. Step 3: Cross multiply
    963,119,638.54x = 1,329,111,903.63 × 523,086,490.54
  4. Step 4: Simplify right side
    963,119,638.54x = 695,240,481,204,755,456
  5. Step 5: Solve for x
    x = 695,240,481,204,755,456/963,119,638.54
  6. Step 6: Final answer
    x = 721,863,051.47

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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.