Home / 395,216,749.56-545,402,316.62-219,007,688.24

Finding the Fourth Proportional to 395,216,749.56, 545,402,316.62 and 219,007,688.24

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Solution

The fourth proportional to 395,216,749.56, 545,402,316.62 and 219,007,688.24 is: 302,232,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,749.56 : 545,402,316.62 = 219,007,688.24 : x
  2. Step 2: Convert to fraction form
    395,216,749.56/545,402,316.62 = 219,007,688.24/x
  3. Step 3: Cross multiply
    395,216,749.56x = 545,402,316.62 × 219,007,688.24
  4. Step 4: Simplify right side
    395,216,749.56x = 119,447,300,523,686,736
  5. Step 5: Solve for x
    x = 119,447,300,523,686,736/395,216,749.56
  6. Step 6: Final answer
    x = 302,232,384.27

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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.