Home / 828,140,619.60-1,241,155,920.60-440,149,323.60

Finding the Fourth Proportional to 828,140,619.60, 1,241,155,920.60 and 440,149,323.60

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Solution

The fourth proportional to 828,140,619.60, 1,241,155,920.60 and 440,149,323.60 is: 659,663,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,140,619.60 : 1,241,155,920.60 = 440,149,323.60 : x
  2. Step 2: Convert to fraction form
    828,140,619.60/1,241,155,920.60 = 440,149,323.60/x
  3. Step 3: Cross multiply
    828,140,619.60x = 1,241,155,920.60 × 440,149,323.60
  4. Step 4: Simplify right side
    828,140,619.60x = 546,293,938,934,225,280
  5. Step 5: Solve for x
    x = 546,293,938,934,225,280/828,140,619.60
  6. Step 6: Final answer
    x = 659,663,257.67

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1.5x scale

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.