Home / 3,139,401,632.80-4,709,102,449.20-3,074,904,378.40

Finding the Fourth Proportional to 3,139,401,632.80, 4,709,102,449.20 and 3,074,904,378.40

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Solution

The fourth proportional to 3,139,401,632.80, 4,709,102,449.20 and 3,074,904,378.40 is: 4,612,356,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,401,632.80 : 4,709,102,449.20 = 3,074,904,378.40 : x
  2. Step 2: Convert to fraction form
    3,139,401,632.80/4,709,102,449.20 = 3,074,904,378.40/x
  3. Step 3: Cross multiply
    3,139,401,632.80x = 4,709,102,449.20 × 3,074,904,378.40
  4. Step 4: Simplify right side
    3,139,401,632.80x = 14,480,039,739,379,243,008
  5. Step 5: Solve for x
    x = 14,480,039,739,379,243,008/3,139,401,632.80
  6. Step 6: Final answer
    x = 4,612,356,567.60

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Double scale
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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.