Home / 723,066,845.12-1,083,692,497.40-391,060,630.16

Finding the Fourth Proportional to 723,066,845.12, 1,083,692,497.40 and 391,060,630.16

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Solution

The fourth proportional to 723,066,845.12, 1,083,692,497.40 and 391,060,630.16 is: 586,099,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,066,845.12 : 1,083,692,497.40 = 391,060,630.16 : x
  2. Step 2: Convert to fraction form
    723,066,845.12/1,083,692,497.40 = 391,060,630.16/x
  3. Step 3: Cross multiply
    723,066,845.12x = 1,083,692,497.40 × 391,060,630.16
  4. Step 4: Simplify right side
    723,066,845.12x = 423,789,470,932,908,224
  5. Step 5: Solve for x
    x = 423,789,470,932,908,224/723,066,845.12
  6. Step 6: Final answer
    x = 586,099,990.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.