Home / 347,095,839.42-478,990,944.45-190,465,567.56

Finding the Fourth Proportional to 347,095,839.42, 478,990,944.45 and 190,465,567.56

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Solution

The fourth proportional to 347,095,839.42, 478,990,944.45 and 190,465,567.56 is: 262,841,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,095,839.42 : 478,990,944.45 = 190,465,567.56 : x
  2. Step 2: Convert to fraction form
    347,095,839.42/478,990,944.45 = 190,465,567.56/x
  3. Step 3: Cross multiply
    347,095,839.42x = 478,990,944.45 × 190,465,567.56
  4. Step 4: Simplify right side
    347,095,839.42x = 91,231,282,090,769,680
  5. Step 5: Solve for x
    x = 91,231,282,090,769,680/347,095,839.42
  6. Step 6: Final answer
    x = 262,841,762.22

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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.