Home / 1,989,042,962.15-2,982,698,280.25-570,627,126.44

Finding the Fourth Proportional to 1,989,042,962.15, 2,982,698,280.25 and 570,627,126.44

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Solution

The fourth proportional to 1,989,042,962.15, 2,982,698,280.25 and 570,627,126.44 is: 855,692,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,042,962.15 : 2,982,698,280.25 = 570,627,126.44 : x
  2. Step 2: Convert to fraction form
    1,989,042,962.15/2,982,698,280.25 = 570,627,126.44/x
  3. Step 3: Cross multiply
    1,989,042,962.15x = 2,982,698,280.25 × 570,627,126.44
  4. Step 4: Simplify right side
    1,989,042,962.15x = 1,702,008,548,696,587,520
  5. Step 5: Solve for x
    x = 1,702,008,548,696,587,520/1,989,042,962.15
  6. Step 6: Final answer
    x = 855,692,200.26

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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.