Home / 1,946,710,609.92-2,920,065,948.69-472,840,487.55

Finding the Fourth Proportional to 1,946,710,609.92, 2,920,065,948.69 and 472,840,487.55

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Solution

The fourth proportional to 1,946,710,609.92, 2,920,065,948.69 and 472,840,487.55 is: 709,260,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,710,609.92 : 2,920,065,948.69 = 472,840,487.55 : x
  2. Step 2: Convert to fraction form
    1,946,710,609.92/2,920,065,948.69 = 472,840,487.55/x
  3. Step 3: Cross multiply
    1,946,710,609.92x = 2,920,065,948.69 × 472,840,487.55
  4. Step 4: Simplify right side
    1,946,710,609.92x = 1,380,725,406,856,732,928
  5. Step 5: Solve for x
    x = 1,380,725,406,856,732,928/1,946,710,609.92
  6. Step 6: Final answer
    x = 709,260,739.54

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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.