Home / 2,939,443,777.20-4,409,165,665.80-1,776,225,716.40

Finding the Fourth Proportional to 2,939,443,777.20, 4,409,165,665.80 and 1,776,225,716.40

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Solution

The fourth proportional to 2,939,443,777.20, 4,409,165,665.80 and 1,776,225,716.40 is: 2,664,338,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,443,777.20 : 4,409,165,665.80 = 1,776,225,716.40 : x
  2. Step 2: Convert to fraction form
    2,939,443,777.20/4,409,165,665.80 = 1,776,225,716.40/x
  3. Step 3: Cross multiply
    2,939,443,777.20x = 4,409,165,665.80 × 1,776,225,716.40
  4. Step 4: Simplify right side
    2,939,443,777.20x = 7,831,673,443,461,889,024
  5. Step 5: Solve for x
    x = 7,831,673,443,461,889,024/2,939,443,777.20
  6. Step 6: Final answer
    x = 2,664,338,574.60

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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.