Home / 2,989,531,967.40-4,484,297,951.10-1,242,153,959.40

Finding the Fourth Proportional to 2,989,531,967.40, 4,484,297,951.10 and 1,242,153,959.40

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Solution

The fourth proportional to 2,989,531,967.40, 4,484,297,951.10 and 1,242,153,959.40 is: 1,863,230,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,531,967.40 : 4,484,297,951.10 = 1,242,153,959.40 : x
  2. Step 2: Convert to fraction form
    2,989,531,967.40/4,484,297,951.10 = 1,242,153,959.40/x
  3. Step 3: Cross multiply
    2,989,531,967.40x = 4,484,297,951.10 × 1,242,153,959.40
  4. Step 4: Simplify right side
    2,989,531,967.40x = 5,570,188,455,088,173,056
  5. Step 5: Solve for x
    x = 5,570,188,455,088,173,056/2,989,531,967.40
  6. Step 6: Final answer
    x = 1,863,230,939.10

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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.