Home / 877,961,464.31-1,316,814,004.75-256,009,566.62

Finding the Fourth Proportional to 877,961,464.31, 1,316,814,004.75 and 256,009,566.62

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Solution

The fourth proportional to 877,961,464.31, 1,316,814,004.75 and 256,009,566.62 is: 383,976,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,961,464.31 : 1,316,814,004.75 = 256,009,566.62 : x
  2. Step 2: Convert to fraction form
    877,961,464.31/1,316,814,004.75 = 256,009,566.62/x
  3. Step 3: Cross multiply
    877,961,464.31x = 1,316,814,004.75 × 256,009,566.62
  4. Step 4: Simplify right side
    877,961,464.31x = 337,116,982,675,194,112
  5. Step 5: Solve for x
    x = 337,116,982,675,194,112/877,961,464.31
  6. Step 6: Final answer
    x = 383,976,969.81

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1.5x scale

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.