Home / 353,169,417.06-487,321,990.47-212,010,707.34

Finding the Fourth Proportional to 353,169,417.06, 487,321,990.47 and 212,010,707.34

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Solution

The fourth proportional to 353,169,417.06, 487,321,990.47 and 212,010,707.34 is: 292,543,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,169,417.06 : 487,321,990.47 = 212,010,707.34 : x
  2. Step 2: Convert to fraction form
    353,169,417.06/487,321,990.47 = 212,010,707.34/x
  3. Step 3: Cross multiply
    353,169,417.06x = 487,321,990.47 × 212,010,707.34
  4. Step 4: Simplify right side
    353,169,417.06x = 103,317,479,901,881,440
  5. Step 5: Solve for x
    x = 103,317,479,901,881,440/353,169,417.06
  6. Step 6: Final answer
    x = 292,543,677.09

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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.