Home / 683,527,871.64-943,248,968.81-401,265,773.58

Finding the Fourth Proportional to 683,527,871.64, 943,248,968.81 and 401,265,773.58

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Solution

The fourth proportional to 683,527,871.64, 943,248,968.81 and 401,265,773.58 is: 553,735,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,527,871.64 : 943,248,968.81 = 401,265,773.58 : x
  2. Step 2: Convert to fraction form
    683,527,871.64/943,248,968.81 = 401,265,773.58/x
  3. Step 3: Cross multiply
    683,527,871.64x = 943,248,968.81 × 401,265,773.58
  4. Step 4: Simplify right side
    683,527,871.64x = 378,493,527,148,081,920
  5. Step 5: Solve for x
    x = 378,493,527,148,081,920/683,527,871.64
  6. Step 6: Final answer
    x = 553,735,323.54

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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.