Home / 472,393,085.40-708,589,628.10-374,820,517.80

Finding the Fourth Proportional to 472,393,085.40, 708,589,628.10 and 374,820,517.80

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Solution

The fourth proportional to 472,393,085.40, 708,589,628.10 and 374,820,517.80 is: 562,230,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,085.40 : 708,589,628.10 = 374,820,517.80 : x
  2. Step 2: Convert to fraction form
    472,393,085.40/708,589,628.10 = 374,820,517.80/x
  3. Step 3: Cross multiply
    472,393,085.40x = 708,589,628.10 × 374,820,517.80
  4. Step 4: Simplify right side
    472,393,085.40x = 265,593,931,312,151,456
  5. Step 5: Solve for x
    x = 265,593,931,312,151,456/472,393,085.40
  6. Step 6: Final answer
    x = 562,230,776.70

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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.