Home / 1,495,917,487.60-2,243,876,231.40-405,400,555.60

Finding the Fourth Proportional to 1,495,917,487.60, 2,243,876,231.40 and 405,400,555.60

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Solution

The fourth proportional to 1,495,917,487.60, 2,243,876,231.40 and 405,400,555.60 is: 608,100,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,917,487.60 : 2,243,876,231.40 = 405,400,555.60 : x
  2. Step 2: Convert to fraction form
    1,495,917,487.60/2,243,876,231.40 = 405,400,555.60/x
  3. Step 3: Cross multiply
    1,495,917,487.60x = 2,243,876,231.40 × 405,400,555.60
  4. Step 4: Simplify right side
    1,495,917,487.60x = 909,668,670,907,194,240
  5. Step 5: Solve for x
    x = 909,668,670,907,194,240/1,495,917,487.60
  6. Step 6: Final answer
    x = 608,100,833.40

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Double scale
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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.