Home / 5,215,698,330.40-7,823,925,409.20-3,140,952,666.40

Finding the Fourth Proportional to 5,215,698,330.40, 7,823,925,409.20 and 3,140,952,666.40

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Solution

The fourth proportional to 5,215,698,330.40, 7,823,925,409.20 and 3,140,952,666.40 is: 4,711,656,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,698,330.40 : 7,823,925,409.20 = 3,140,952,666.40 : x
  2. Step 2: Convert to fraction form
    5,215,698,330.40/7,823,925,409.20 = 3,140,952,666.40/x
  3. Step 3: Cross multiply
    5,215,698,330.40x = 7,823,925,409.20 × 3,140,952,666.40
  4. Step 4: Simplify right side
    5,215,698,330.40x = 24,574,579,375,741,452,288
  5. Step 5: Solve for x
    x = 24,574,579,375,741,452,288/5,215,698,330.40
  6. Step 6: Final answer
    x = 4,711,656,583.45

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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.