Home / 1,158,072,808.60-1,598,133,021.78-663,131,176.60

Finding the Fourth Proportional to 1,158,072,808.60, 1,598,133,021.78 and 663,131,176.60

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Solution

The fourth proportional to 1,158,072,808.60, 1,598,133,021.78 and 663,131,176.60 is: 915,116,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,072,808.60 : 1,598,133,021.78 = 663,131,176.60 : x
  2. Step 2: Convert to fraction form
    1,158,072,808.60/1,598,133,021.78 = 663,131,176.60/x
  3. Step 3: Cross multiply
    1,158,072,808.60x = 1,598,133,021.78 × 663,131,176.60
  4. Step 4: Simplify right side
    1,158,072,808.60x = 1,059,771,831,096,284,800
  5. Step 5: Solve for x
    x = 1,059,771,831,096,284,800/1,158,072,808.60
  6. Step 6: Final answer
    x = 915,116,755.38

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1.5x scale

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.