Home / 646,445,801,852.79-969,669,636,026.02-263,989,877,166.61

Finding the Fourth Proportional to 646,445,801,852.79, 969,669,636,026.02 and 263,989,877,166.61

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Solution

The fourth proportional to 646,445,801,852.79, 969,669,636,026.02 and 263,989,877,166.61 is: 395,985,196,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,445,801,852.79 : 969,669,636,026.02 = 263,989,877,166.61 : x
  2. Step 2: Convert to fraction form
    646,445,801,852.79/969,669,636,026.02 = 263,989,877,166.61/x
  3. Step 3: Cross multiply
    646,445,801,852.79x = 969,669,636,026.02 × 263,989,877,166.61
  4. Step 4: Simplify right side
    646,445,801,852.79x = 255,982,968,106,700,450,562,048
  5. Step 5: Solve for x
    x = 255,982,968,106,700,450,562,048/646,445,801,852.79
  6. Step 6: Final answer
    x = 395,985,196,861.09

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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.