Home / 871,120,394.94-1,202,130,942.84-474,646,666.35

Finding the Fourth Proportional to 871,120,394.94, 1,202,130,942.84 and 474,646,666.35

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Solution

The fourth proportional to 871,120,394.94, 1,202,130,942.84 and 474,646,666.35 is: 655,004,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,120,394.94 : 1,202,130,942.84 = 474,646,666.35 : x
  2. Step 2: Convert to fraction form
    871,120,394.94/1,202,130,942.84 = 474,646,666.35/x
  3. Step 3: Cross multiply
    871,120,394.94x = 1,202,130,942.84 × 474,646,666.35
  4. Step 4: Simplify right side
    871,120,394.94x = 570,587,444,535,188,416
  5. Step 5: Solve for x
    x = 570,587,444,535,188,416/871,120,394.94
  6. Step 6: Final answer
    x = 655,004,116.36

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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.