Home / 863,705,466.66-1,191,909,953.94-467,227,478.88

Finding the Fourth Proportional to 863,705,466.66, 1,191,909,953.94 and 467,227,478.88

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Solution

The fourth proportional to 863,705,466.66, 1,191,909,953.94 and 467,227,478.88 is: 644,771,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,705,466.66 : 1,191,909,953.94 = 467,227,478.88 : x
  2. Step 2: Convert to fraction form
    863,705,466.66/1,191,909,953.94 = 467,227,478.88/x
  3. Step 3: Cross multiply
    863,705,466.66x = 1,191,909,953.94 × 467,227,478.88
  4. Step 4: Simplify right side
    863,705,466.66x = 556,893,082,831,363,136
  5. Step 5: Solve for x
    x = 556,893,082,831,363,136/863,705,466.66
  6. Step 6: Final answer
    x = 644,771,978.79

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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.