Home / 511,825,447-706,316,990.34-276,875,528.86

Finding the Fourth Proportional to 511,825,447, 706,316,990.34 and 276,875,528.86

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Solution

The fourth proportional to 511,825,447, 706,316,990.34 and 276,875,528.86 is: 382,087,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,825,447 : 706,316,990.34 = 276,875,528.86 : x
  2. Step 2: Convert to fraction form
    511,825,447/706,316,990.34 = 276,875,528.86/x
  3. Step 3: Cross multiply
    511,825,447x = 706,316,990.34 × 276,875,528.86
  4. Step 4: Simplify right side
    511,825,447x = 195,561,890,243,191,040
  5. Step 5: Solve for x
    x = 195,561,890,243,191,040/511,825,447
  6. Step 6: Final answer
    x = 382,087,079.47

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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.