Home / 1,989,042,961.59-2,982,698,279.40-570,627,125.88

Finding the Fourth Proportional to 1,989,042,961.59, 2,982,698,279.40 and 570,627,125.88

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Solution

The fourth proportional to 1,989,042,961.59, 2,982,698,279.40 and 570,627,125.88 is: 855,692,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,042,961.59 : 2,982,698,279.40 = 570,627,125.88 : x
  2. Step 2: Convert to fraction form
    1,989,042,961.59/2,982,698,279.40 = 570,627,125.88/x
  3. Step 3: Cross multiply
    1,989,042,961.59x = 2,982,698,279.40 × 570,627,125.88
  4. Step 4: Simplify right side
    1,989,042,961.59x = 1,702,008,546,541,243,136
  5. Step 5: Solve for x
    x = 1,702,008,546,541,243,136/1,989,042,961.59
  6. Step 6: Final answer
    x = 855,692,199.42

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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.