Home / 421,442,256,851.20-632,287,567,683.63-169,773,944,988.18

Finding the Fourth Proportional to 421,442,256,851.20, 632,287,567,683.63 and 169,773,944,988.18

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Solution

The fourth proportional to 421,442,256,851.20, 632,287,567,683.63 and 169,773,944,988.18 is: 254,710,943,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,442,256,851.20 : 632,287,567,683.63 = 169,773,944,988.18 : x
  2. Step 2: Convert to fraction form
    421,442,256,851.20/632,287,567,683.63 = 169,773,944,988.18/x
  3. Step 3: Cross multiply
    421,442,256,851.20x = 632,287,567,683.63 × 169,773,944,988.18
  4. Step 4: Simplify right side
    421,442,256,851.20x = 107,345,954,732,630,733,750,272
  5. Step 5: Solve for x
    x = 107,345,954,732,630,733,750,272/421,442,256,851.20
  6. Step 6: Final answer
    x = 254,710,943,166.13

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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.