Home / 653,337,000.80-980,005,501.20-326,819,650.40

Finding the Fourth Proportional to 653,337,000.80, 980,005,501.20 and 326,819,650.40

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Solution

The fourth proportional to 653,337,000.80, 980,005,501.20 and 326,819,650.40 is: 490,229,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,337,000.80 : 980,005,501.20 = 326,819,650.40 : x
  2. Step 2: Convert to fraction form
    653,337,000.80/980,005,501.20 = 326,819,650.40/x
  3. Step 3: Cross multiply
    653,337,000.80x = 980,005,501.20 × 326,819,650.40
  4. Step 4: Simplify right side
    653,337,000.80x = 320,285,055,292,260,800
  5. Step 5: Solve for x
    x = 320,285,055,292,260,800/653,337,000.80
  6. Step 6: Final answer
    x = 490,229,475.60

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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.