Home / 3,008,752,172.30-4,152,077,986.20-1,688,652,728.30

Finding the Fourth Proportional to 3,008,752,172.30, 4,152,077,986.20 and 1,688,652,728.30

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Solution

The fourth proportional to 3,008,752,172.30, 4,152,077,986.20 and 1,688,652,728.30 is: 2,330,340,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008,752,172.30 : 4,152,077,986.20 = 1,688,652,728.30 : x
  2. Step 2: Convert to fraction form
    3,008,752,172.30/4,152,077,986.20 = 1,688,652,728.30/x
  3. Step 3: Cross multiply
    3,008,752,172.30x = 4,152,077,986.20 × 1,688,652,728.30
  4. Step 4: Simplify right side
    3,008,752,172.30x = 7,011,417,819,510,999,040
  5. Step 5: Solve for x
    x = 7,011,417,819,510,999,040/3,008,752,172.30
  6. Step 6: Final answer
    x = 2,330,340,758.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.