Home / 298,758,820,554.02-412,297,006,126.64-163,424,903,959.46

Finding the Fourth Proportional to 298,758,820,554.02, 412,297,006,126.64 and 163,424,903,959.46

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Solution

The fourth proportional to 298,758,820,554.02, 412,297,006,126.64 and 163,424,903,959.46 is: 225,531,746,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,758,820,554.02 : 412,297,006,126.64 = 163,424,903,959.46 : x
  2. Step 2: Convert to fraction form
    298,758,820,554.02/412,297,006,126.64 = 163,424,903,959.46/x
  3. Step 3: Cross multiply
    298,758,820,554.02x = 412,297,006,126.64 × 163,424,903,959.46
  4. Step 4: Simplify right side
    298,758,820,554.02x = 67,379,598,629,019,030,913,024
  5. Step 5: Solve for x
    x = 67,379,598,629,019,030,913,024/298,758,820,554.02
  6. Step 6: Final answer
    x = 225,531,746,657.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.