Home / 646,445,801,851.29-969,669,636,023.77-263,989,877,165.11

Finding the Fourth Proportional to 646,445,801,851.29, 969,669,636,023.77 and 263,989,877,165.11

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Solution

The fourth proportional to 646,445,801,851.29, 969,669,636,023.77 and 263,989,877,165.11 is: 395,985,196,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,445,801,851.29 : 969,669,636,023.77 = 263,989,877,165.11 : x
  2. Step 2: Convert to fraction form
    646,445,801,851.29/969,669,636,023.77 = 263,989,877,165.11/x
  3. Step 3: Cross multiply
    646,445,801,851.29x = 969,669,636,023.77 × 263,989,877,165.11
  4. Step 4: Simplify right side
    646,445,801,851.29x = 255,982,968,104,651,952,488,448
  5. Step 5: Solve for x
    x = 255,982,968,104,651,952,488,448/646,445,801,851.29
  6. Step 6: Final answer
    x = 395,985,196,858.84

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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.