Home / 664,200,176.40-996,300,264.60-470,330,499.60

Finding the Fourth Proportional to 664,200,176.40, 996,300,264.60 and 470,330,499.60

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Solution

The fourth proportional to 664,200,176.40, 996,300,264.60 and 470,330,499.60 is: 705,495,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,200,176.40 : 996,300,264.60 = 470,330,499.60 : x
  2. Step 2: Convert to fraction form
    664,200,176.40/996,300,264.60 = 470,330,499.60/x
  3. Step 3: Cross multiply
    664,200,176.40x = 996,300,264.60 × 470,330,499.60
  4. Step 4: Simplify right side
    664,200,176.40x = 468,590,401,200,930,240
  5. Step 5: Solve for x
    x = 468,590,401,200,930,240/664,200,176.40
  6. Step 6: Final answer
    x = 705,495,749.40

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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.