Home / 256,775,985,199.46-384,828,919,610.32-143,451,133,686.46

Finding the Fourth Proportional to 256,775,985,199.46, 384,828,919,610.32 and 143,451,133,686.46

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Solution

The fourth proportional to 256,775,985,199.46, 384,828,919,610.32 and 143,451,133,686.46 is: 214,989,516,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,775,985,199.46 : 384,828,919,610.32 = 143,451,133,686.46 : x
  2. Step 2: Convert to fraction form
    256,775,985,199.46/384,828,919,610.32 = 143,451,133,686.46/x
  3. Step 3: Cross multiply
    256,775,985,199.46x = 384,828,919,610.32 × 143,451,133,686.46
  4. Step 4: Simplify right side
    256,775,985,199.46x = 55,204,144,793,435,980,693,504
  5. Step 5: Solve for x
    x = 55,204,144,793,435,980,693,504/256,775,985,199.46
  6. Step 6: Final answer
    x = 214,989,516,058.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.