Home / 877,961,463.31-1,316,814,003.26-256,009,565.62

Finding the Fourth Proportional to 877,961,463.31, 1,316,814,003.26 and 256,009,565.62

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Solution

The fourth proportional to 877,961,463.31, 1,316,814,003.26 and 256,009,565.62 is: 383,976,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,961,463.31 : 1,316,814,003.26 = 256,009,565.62 : x
  2. Step 2: Convert to fraction form
    877,961,463.31/1,316,814,003.26 = 256,009,565.62/x
  3. Step 3: Cross multiply
    877,961,463.31x = 1,316,814,003.26 × 256,009,565.62
  4. Step 4: Simplify right side
    877,961,463.31x = 337,116,980,972,353,792
  5. Step 5: Solve for x
    x = 337,116,980,972,353,792/877,961,463.31
  6. Step 6: Final answer
    x = 383,976,968.31

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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.