Home / 421,442,256,848.45-632,287,567,679.49-169,773,944,985.42

Finding the Fourth Proportional to 421,442,256,848.45, 632,287,567,679.49 and 169,773,944,985.42

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Solution

The fourth proportional to 421,442,256,848.45, 632,287,567,679.49 and 169,773,944,985.42 is: 254,710,943,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,442,256,848.45 : 632,287,567,679.49 = 169,773,944,985.42 : x
  2. Step 2: Convert to fraction form
    421,442,256,848.45/632,287,567,679.49 = 169,773,944,985.42/x
  3. Step 3: Cross multiply
    421,442,256,848.45x = 632,287,567,679.49 × 169,773,944,985.42
  4. Step 4: Simplify right side
    421,442,256,848.45x = 107,345,954,730,182,770,163,712
  5. Step 5: Solve for x
    x = 107,345,954,730,182,770,163,712/421,442,256,848.45
  6. Step 6: Final answer
    x = 254,710,943,161.98

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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.