Home / 820,908,653.83-1,233,327,403.15-526,380,820.09

Finding the Fourth Proportional to 820,908,653.83, 1,233,327,403.15 and 526,380,820.09

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Solution

The fourth proportional to 820,908,653.83, 1,233,327,403.15 and 526,380,820.09 is: 790,830,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,908,653.83 : 1,233,327,403.15 = 526,380,820.09 : x
  2. Step 2: Convert to fraction form
    820,908,653.83/1,233,327,403.15 = 526,380,820.09/x
  3. Step 3: Cross multiply
    820,908,653.83x = 1,233,327,403.15 × 526,380,820.09
  4. Step 4: Simplify right side
    820,908,653.83x = 649,199,889,905,167,744
  5. Step 5: Solve for x
    x = 649,199,889,905,167,744/820,908,653.83
  6. Step 6: Final answer
    x = 790,830,851.74

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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.