Home / 1,120,017,132.30-1,680,025,698.45-302,212,101.90

Finding the Fourth Proportional to 1,120,017,132.30, 1,680,025,698.45 and 302,212,101.90

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Solution

The fourth proportional to 1,120,017,132.30, 1,680,025,698.45 and 302,212,101.90 is: 453,318,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,017,132.30 : 1,680,025,698.45 = 302,212,101.90 : x
  2. Step 2: Convert to fraction form
    1,120,017,132.30/1,680,025,698.45 = 302,212,101.90/x
  3. Step 3: Cross multiply
    1,120,017,132.30x = 1,680,025,698.45 × 302,212,101.90
  4. Step 4: Simplify right side
    1,120,017,132.30x = 507,724,097,574,590,016
  5. Step 5: Solve for x
    x = 507,724,097,574,590,016/1,120,017,132.30
  6. Step 6: Final answer
    x = 453,318,152.85

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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.