Home / 693,578,382.40-1,040,367,573.60-284,927,809.60

Finding the Fourth Proportional to 693,578,382.40, 1,040,367,573.60 and 284,927,809.60

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Solution

The fourth proportional to 693,578,382.40, 1,040,367,573.60 and 284,927,809.60 is: 427,391,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,578,382.40 : 1,040,367,573.60 = 284,927,809.60 : x
  2. Step 2: Convert to fraction form
    693,578,382.40/1,040,367,573.60 = 284,927,809.60/x
  3. Step 3: Cross multiply
    693,578,382.40x = 1,040,367,573.60 × 284,927,809.60
  4. Step 4: Simplify right side
    693,578,382.40x = 296,429,653,924,714,816
  5. Step 5: Solve for x
    x = 296,429,653,924,714,816/693,578,382.40
  6. Step 6: Final answer
    x = 427,391,714.40

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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.