Home / 476,340,516.81-657,421,007.27-290,809,088.01

Finding the Fourth Proportional to 476,340,516.81, 657,421,007.27 and 290,809,088.01

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Solution

The fourth proportional to 476,340,516.81, 657,421,007.27 and 290,809,088.01 is: 401,359,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,340,516.81 : 657,421,007.27 = 290,809,088.01 : x
  2. Step 2: Convert to fraction form
    476,340,516.81/657,421,007.27 = 290,809,088.01/x
  3. Step 3: Cross multiply
    476,340,516.81x = 657,421,007.27 × 290,809,088.01
  4. Step 4: Simplify right side
    476,340,516.81x = 191,184,003,561,350,208
  5. Step 5: Solve for x
    x = 191,184,003,561,350,208/476,340,516.81
  6. Step 6: Final answer
    x = 401,359,944.86

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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.