Home / 1,814,264,968.60-2,721,901,337.70-779,621,512.60

Finding the Fourth Proportional to 1,814,264,968.60, 2,721,901,337.70 and 779,621,512.60

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Solution

The fourth proportional to 1,814,264,968.60, 2,721,901,337.70 and 779,621,512.60 is: 1,169,648,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,264,968.60 : 2,721,901,337.70 = 779,621,512.60 : x
  2. Step 2: Convert to fraction form
    1,814,264,968.60/2,721,901,337.70 = 779,621,512.60/x
  3. Step 3: Cross multiply
    1,814,264,968.60x = 2,721,901,337.70 × 779,621,512.60
  4. Step 4: Simplify right side
    1,814,264,968.60x = 2,122,052,838,045,637,376
  5. Step 5: Solve for x
    x = 2,122,052,838,045,637,376/1,814,264,968.60
  6. Step 6: Final answer
    x = 1,169,648,797.05

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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.