Home / 639,151,200.21-882,637,818.81-604,330,685.61

Finding the Fourth Proportional to 639,151,200.21, 882,637,818.81 and 604,330,685.61

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Solution

The fourth proportional to 639,151,200.21, 882,637,818.81 and 604,330,685.61 is: 834,552,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,151,200.21 : 882,637,818.81 = 604,330,685.61 : x
  2. Step 2: Convert to fraction form
    639,151,200.21/882,637,818.81 = 604,330,685.61/x
  3. Step 3: Cross multiply
    639,151,200.21x = 882,637,818.81 × 604,330,685.61
  4. Step 4: Simplify right side
    639,151,200.21x = 533,405,118,186,762,240
  5. Step 5: Solve for x
    x = 533,405,118,186,762,240/639,151,200.21
  6. Step 6: Final answer
    x = 834,552,321.91

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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.