Home / 543,708,337.22-815,968,670.73-368,415,734.18

Finding the Fourth Proportional to 543,708,337.22, 815,968,670.73 and 368,415,734.18

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Solution

The fourth proportional to 543,708,337.22, 815,968,670.73 and 368,415,734.18 is: 552,898,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,708,337.22 : 815,968,670.73 = 368,415,734.18 : x
  2. Step 2: Convert to fraction form
    543,708,337.22/815,968,670.73 = 368,415,734.18/x
  3. Step 3: Cross multiply
    543,708,337.22x = 815,968,670.73 × 368,415,734.18
  4. Step 4: Simplify right side
    543,708,337.22x = 300,615,696,894,871,616
  5. Step 5: Solve for x
    x = 300,615,696,894,871,616/543,708,337.22
  6. Step 6: Final answer
    x = 552,898,817.83

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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.