Home / 938,636,473.44-1,295,298,845.04-520,924,499.04

Finding the Fourth Proportional to 938,636,473.44, 1,295,298,845.04 and 520,924,499.04

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Solution

The fourth proportional to 938,636,473.44, 1,295,298,845.04 and 520,924,499.04 is: 718,864,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,636,473.44 : 1,295,298,845.04 = 520,924,499.04 : x
  2. Step 2: Convert to fraction form
    938,636,473.44/1,295,298,845.04 = 520,924,499.04/x
  3. Step 3: Cross multiply
    938,636,473.44x = 1,295,298,845.04 × 520,924,499.04
  4. Step 4: Simplify right side
    938,636,473.44x = 674,752,901,959,552,640
  5. Step 5: Solve for x
    x = 674,752,901,959,552,640/938,636,473.44
  6. Step 6: Final answer
    x = 718,864,993.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.