Home / 684,721,346.46-1,027,746,181.70-330,444,948.22

Finding the Fourth Proportional to 684,721,346.46, 1,027,746,181.70 and 330,444,948.22

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Solution

The fourth proportional to 684,721,346.46, 1,027,746,181.70 and 330,444,948.22 is: 495,987,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,721,346.46 : 1,027,746,181.70 = 330,444,948.22 : x
  2. Step 2: Convert to fraction form
    684,721,346.46/1,027,746,181.70 = 330,444,948.22/x
  3. Step 3: Cross multiply
    684,721,346.46x = 1,027,746,181.70 × 330,444,948.22
  4. Step 4: Simplify right side
    684,721,346.46x = 339,613,533,795,159,232
  5. Step 5: Solve for x
    x = 339,613,533,795,159,232/684,721,346.46
  6. Step 6: Final answer
    x = 495,987,945.39

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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.