Home / 553,998,742,788.70-831,535,478,655.60-267,358,520,139.04

Finding the Fourth Proportional to 553,998,742,788.70, 831,535,478,655.60 and 267,358,520,139.04

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Solution

The fourth proportional to 553,998,742,788.70, 831,535,478,655.60 and 267,358,520,139.04 is: 401,297,111,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,998,742,788.70 : 831,535,478,655.60 = 267,358,520,139.04 : x
  2. Step 2: Convert to fraction form
    553,998,742,788.70/831,535,478,655.60 = 267,358,520,139.04/x
  3. Step 3: Cross multiply
    553,998,742,788.70x = 831,535,478,655.60 × 267,358,520,139.04
  4. Step 4: Simplify right side
    553,998,742,788.70x = 222,318,095,016,469,511,274,496
  5. Step 5: Solve for x
    x = 222,318,095,016,469,511,274,496/553,998,742,788.70
  6. Step 6: Final answer
    x = 401,297,111,068.11

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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.