Home / 400,821,399,505.86-553,135,718,031.93-236,030,108,298.18

Finding the Fourth Proportional to 400,821,399,505.86, 553,135,718,031.93 and 236,030,108,298.18

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Solution

The fourth proportional to 400,821,399,505.86, 553,135,718,031.93 and 236,030,108,298.18 is: 325,722,837,133.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,821,399,505.86 : 553,135,718,031.93 = 236,030,108,298.18 : x
  2. Step 2: Convert to fraction form
    400,821,399,505.86/553,135,718,031.93 = 236,030,108,298.18/x
  3. Step 3: Cross multiply
    400,821,399,505.86x = 553,135,718,031.93 × 236,030,108,298.18
  4. Step 4: Simplify right side
    400,821,399,505.86x = 130,556,683,430,667,996,889,088
  5. Step 5: Solve for x
    x = 130,556,683,430,667,996,889,088/400,821,399,505.86
  6. Step 6: Final answer
    x = 325,722,837,133.00

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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.