Home / 474,753,381.80-712,130,072.70-267,278,815.40

Finding the Fourth Proportional to 474,753,381.80, 712,130,072.70 and 267,278,815.40

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Solution

The fourth proportional to 474,753,381.80, 712,130,072.70 and 267,278,815.40 is: 400,918,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,753,381.80 : 712,130,072.70 = 267,278,815.40 : x
  2. Step 2: Convert to fraction form
    474,753,381.80/712,130,072.70 = 267,278,815.40/x
  3. Step 3: Cross multiply
    474,753,381.80x = 712,130,072.70 × 267,278,815.40
  4. Step 4: Simplify right side
    474,753,381.80x = 190,337,282,241,971,904
  5. Step 5: Solve for x
    x = 190,337,282,241,971,904/474,753,381.80
  6. Step 6: Final answer
    x = 400,918,223.10

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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.