Home / 743,320,959.63-1,114,742,755.73-245,219,517.11

Finding the Fourth Proportional to 743,320,959.63, 1,114,742,755.73 and 245,219,517.11

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Solution

The fourth proportional to 743,320,959.63, 1,114,742,755.73 and 245,219,517.11 is: 367,750,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,320,959.63 : 1,114,742,755.73 = 245,219,517.11 : x
  2. Step 2: Convert to fraction form
    743,320,959.63/1,114,742,755.73 = 245,219,517.11/x
  3. Step 3: Cross multiply
    743,320,959.63x = 1,114,742,755.73 × 245,219,517.11
  4. Step 4: Simplify right side
    743,320,959.63x = 273,356,680,255,181,440
  5. Step 5: Solve for x
    x = 273,356,680,255,181,440/743,320,959.63
  6. Step 6: Final answer
    x = 367,750,534.56

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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.