Home / 882,929,386,120.90-1,324,394,077,686.50-212,159,236,978.40

Finding the Fourth Proportional to 882,929,386,120.90, 1,324,394,077,686.50 and 212,159,236,978.40

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Solution

The fourth proportional to 882,929,386,120.90, 1,324,394,077,686.50 and 212,159,236,978.40 is: 318,238,855,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,929,386,120.90 : 1,324,394,077,686.50 = 212,159,236,978.40 : x
  2. Step 2: Convert to fraction form
    882,929,386,120.90/1,324,394,077,686.50 = 212,159,236,978.40/x
  3. Step 3: Cross multiply
    882,929,386,120.90x = 1,324,394,077,686.50 × 212,159,236,978.40
  4. Step 4: Simplify right side
    882,929,386,120.90x = 280,982,436,980,679,635,894,272
  5. Step 5: Solve for x
    x = 280,982,436,980,679,635,894,272/882,929,386,120.90
  6. Step 6: Final answer
    x = 318,238,855,108.40

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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.