Home / 778,702,058.01-1,168,174,741.70-253,949,112.67

Finding the Fourth Proportional to 778,702,058.01, 1,168,174,741.70 and 253,949,112.67

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Solution

The fourth proportional to 778,702,058.01, 1,168,174,741.70 and 253,949,112.67 is: 380,963,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,702,058.01 : 1,168,174,741.70 = 253,949,112.67 : x
  2. Step 2: Convert to fraction form
    778,702,058.01/1,168,174,741.70 = 253,949,112.67/x
  3. Step 3: Cross multiply
    778,702,058.01x = 1,168,174,741.70 × 253,949,112.67
  4. Step 4: Simplify right side
    778,702,058.01x = 296,656,939,102,247,040
  5. Step 5: Solve for x
    x = 296,656,939,102,247,040/778,702,058.01
  6. Step 6: Final answer
    x = 380,963,342.85

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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.