Home / 309,049,348,271.20-463,574,022,406.80-297,294,723,656.80

Finding the Fourth Proportional to 309,049,348,271.20, 463,574,022,406.80 and 297,294,723,656.80

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Solution

The fourth proportional to 309,049,348,271.20, 463,574,022,406.80 and 297,294,723,656.80 is: 445,942,085,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,348,271.20 : 463,574,022,406.80 = 297,294,723,656.80 : x
  2. Step 2: Convert to fraction form
    309,049,348,271.20/463,574,022,406.80 = 297,294,723,656.80/x
  3. Step 3: Cross multiply
    309,049,348,271.20x = 463,574,022,406.80 × 297,294,723,656.80
  4. Step 4: Simplify right side
    309,049,348,271.20x = 137,818,110,885,900,801,015,808
  5. Step 5: Solve for x
    x = 137,818,110,885,900,801,015,808/309,049,348,271.20
  6. Step 6: Final answer
    x = 445,942,085,485.20

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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.