Home / 772,020,057.40-1,158,198,047.70-254,362,406.20

Finding the Fourth Proportional to 772,020,057.40, 1,158,198,047.70 and 254,362,406.20

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Solution

The fourth proportional to 772,020,057.40, 1,158,198,047.70 and 254,362,406.20 is: 381,598,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,020,057.40 : 1,158,198,047.70 = 254,362,406.20 : x
  2. Step 2: Convert to fraction form
    772,020,057.40/1,158,198,047.70 = 254,362,406.20/x
  3. Step 3: Cross multiply
    772,020,057.40x = 1,158,198,047.70 × 254,362,406.20
  4. Step 4: Simplify right side
    772,020,057.40x = 294,602,042,269,114,368
  5. Step 5: Solve for x
    x = 294,602,042,269,114,368/772,020,057.40
  6. Step 6: Final answer
    x = 381,598,948.69

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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.