Home / 646,445,801,690.59-969,669,635,782.65-263,989,877,004.33

Finding the Fourth Proportional to 646,445,801,690.59, 969,669,635,782.65 and 263,989,877,004.33

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Solution

The fourth proportional to 646,445,801,690.59, 969,669,635,782.65 and 263,989,877,004.33 is: 395,985,196,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,445,801,690.59 : 969,669,635,782.65 = 263,989,877,004.33 : x
  2. Step 2: Convert to fraction form
    646,445,801,690.59/969,669,635,782.65 = 263,989,877,004.33/x
  3. Step 3: Cross multiply
    646,445,801,690.59x = 969,669,635,782.65 × 263,989,877,004.33
  4. Step 4: Simplify right side
    646,445,801,690.59x = 255,982,967,885,095,237,582,848
  5. Step 5: Solve for x
    x = 255,982,967,885,095,237,582,848/646,445,801,690.59
  6. Step 6: Final answer
    x = 395,985,196,617.64

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Double scale
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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.