Home / 1,968,280,216.40-2,950,404,785.40-1,149,971,301.20

Finding the Fourth Proportional to 1,968,280,216.40, 2,950,404,785.40 and 1,149,971,301.20

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Solution

The fourth proportional to 1,968,280,216.40, 2,950,404,785.40 and 1,149,971,301.20 is: 1,723,779,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,280,216.40 : 2,950,404,785.40 = 1,149,971,301.20 : x
  2. Step 2: Convert to fraction form
    1,968,280,216.40/2,950,404,785.40 = 1,149,971,301.20/x
  3. Step 3: Cross multiply
    1,968,280,216.40x = 2,950,404,785.40 × 1,149,971,301.20
  4. Step 4: Simplify right side
    1,968,280,216.40x = 3,392,880,830,133,145,088
  5. Step 5: Solve for x
    x = 3,392,880,830,133,145,088/1,968,280,216.40
  6. Step 6: Final answer
    x = 1,723,779,369.35

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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.