Home / 472,402,120.32-708,640,181.28-127,350,466.56

Finding the Fourth Proportional to 472,402,120.32, 708,640,181.28 and 127,350,466.56

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Solution

The fourth proportional to 472,402,120.32, 708,640,181.28 and 127,350,466.56 is: 191,035,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,402,120.32 : 708,640,181.28 = 127,350,466.56 : x
  2. Step 2: Convert to fraction form
    472,402,120.32/708,640,181.28 = 127,350,466.56/x
  3. Step 3: Cross multiply
    472,402,120.32x = 708,640,181.28 × 127,350,466.56
  4. Step 4: Simplify right side
    472,402,120.32x = 90,245,657,709,170,976
  5. Step 5: Solve for x
    x = 90,245,657,709,170,976/472,402,120.32
  6. Step 6: Final answer
    x = 191,035,674.54

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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.