Home / 357,314,360.67-493,034,489.96-210,616,699.23

Finding the Fourth Proportional to 357,314,360.67, 493,034,489.96 and 210,616,699.23

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Solution

The fourth proportional to 357,314,360.67, 493,034,489.96 and 210,616,699.23 is: 290,616,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,314,360.67 : 493,034,489.96 = 210,616,699.23 : x
  2. Step 2: Convert to fraction form
    357,314,360.67/493,034,489.96 = 210,616,699.23/x
  3. Step 3: Cross multiply
    357,314,360.67x = 493,034,489.96 × 210,616,699.23
  4. Step 4: Simplify right side
    357,314,360.67x = 103,841,296,880,868,688
  5. Step 5: Solve for x
    x = 103,841,296,880,868,688/357,314,360.67
  6. Step 6: Final answer
    x = 290,616,074.56

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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.