Home / 519,899,186.32-717,539,927.16-331,808,632.72

Finding the Fourth Proportional to 519,899,186.32, 717,539,927.16 and 331,808,632.72

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Solution

The fourth proportional to 519,899,186.32, 717,539,927.16 and 331,808,632.72 is: 457,946,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,899,186.32 : 717,539,927.16 = 331,808,632.72 : x
  2. Step 2: Convert to fraction form
    519,899,186.32/717,539,927.16 = 331,808,632.72/x
  3. Step 3: Cross multiply
    519,899,186.32x = 717,539,927.16 × 331,808,632.72
  4. Step 4: Simplify right side
    519,899,186.32x = 238,085,942,152,968,000
  5. Step 5: Solve for x
    x = 238,085,942,152,968,000/519,899,186.32
  6. Step 6: Final answer
    x = 457,946,364.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.