Home / 323,047,215.40-484,570,823.10-288,111,202.60

Finding the Fourth Proportional to 323,047,215.40, 484,570,823.10 and 288,111,202.60

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Solution

The fourth proportional to 323,047,215.40, 484,570,823.10 and 288,111,202.60 is: 432,166,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,047,215.40 : 484,570,823.10 = 288,111,202.60 : x
  2. Step 2: Convert to fraction form
    323,047,215.40/484,570,823.10 = 288,111,202.60/x
  3. Step 3: Cross multiply
    323,047,215.40x = 484,570,823.10 × 288,111,202.60
  4. Step 4: Simplify right side
    323,047,215.40x = 139,610,282,588,212,880
  5. Step 5: Solve for x
    x = 139,610,282,588,212,880/323,047,215.40
  6. Step 6: Final answer
    x = 432,166,803.90

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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.