Home / 822,830,144,238.15-1,234,404,162,699.90-312,849,259,148.64

Finding the Fourth Proportional to 822,830,144,238.15, 1,234,404,162,699.90 and 312,849,259,148.64

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Solution

The fourth proportional to 822,830,144,238.15, 1,234,404,162,699.90 and 312,849,259,148.64 is: 469,334,321,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,830,144,238.15 : 1,234,404,162,699.90 = 312,849,259,148.64 : x
  2. Step 2: Convert to fraction form
    822,830,144,238.15/1,234,404,162,699.90 = 312,849,259,148.64/x
  3. Step 3: Cross multiply
    822,830,144,238.15x = 1,234,404,162,699.90 × 312,849,259,148.64
  4. Step 4: Simplify right side
    822,830,144,238.15x = 386,182,427,790,660,975,198,208
  5. Step 5: Solve for x
    x = 386,182,427,790,660,975,198,208/822,830,144,238.15
  6. Step 6: Final answer
    x = 469,334,321,907.01

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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.