Home / 898,714,095.80-1,348,071,143.70-285,346,326.20

Finding the Fourth Proportional to 898,714,095.80, 1,348,071,143.70 and 285,346,326.20

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Solution

The fourth proportional to 898,714,095.80, 1,348,071,143.70 and 285,346,326.20 is: 428,019,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,714,095.80 : 1,348,071,143.70 = 285,346,326.20 : x
  2. Step 2: Convert to fraction form
    898,714,095.80/1,348,071,143.70 = 285,346,326.20/x
  3. Step 3: Cross multiply
    898,714,095.80x = 1,348,071,143.70 × 285,346,326.20
  4. Step 4: Simplify right side
    898,714,095.80x = 384,667,148,311,027,264
  5. Step 5: Solve for x
    x = 384,667,148,311,027,264/898,714,095.80
  6. Step 6: Final answer
    x = 428,019,489.30

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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.