Home / 777,216,101.60-1,165,824,152.40-202,787,429.60

Finding the Fourth Proportional to 777,216,101.60, 1,165,824,152.40 and 202,787,429.60

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Solution

The fourth proportional to 777,216,101.60, 1,165,824,152.40 and 202,787,429.60 is: 304,181,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,216,101.60 : 1,165,824,152.40 = 202,787,429.60 : x
  2. Step 2: Convert to fraction form
    777,216,101.60/1,165,824,152.40 = 202,787,429.60/x
  3. Step 3: Cross multiply
    777,216,101.60x = 1,165,824,152.40 × 202,787,429.60
  4. Step 4: Simplify right side
    777,216,101.60x = 236,414,483,230,794,688
  5. Step 5: Solve for x
    x = 236,414,483,230,794,688/777,216,101.60
  6. Step 6: Final answer
    x = 304,181,144.40

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1.5x scale

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.