Home / 1,361,185,342.47-1,878,493,523.19-758,355,430.14

Finding the Fourth Proportional to 1,361,185,342.47, 1,878,493,523.19 and 758,355,430.14

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Solution

The fourth proportional to 1,361,185,342.47, 1,878,493,523.19 and 758,355,430.14 is: 1,046,562,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,185,342.47 : 1,878,493,523.19 = 758,355,430.14 : x
  2. Step 2: Convert to fraction form
    1,361,185,342.47/1,878,493,523.19 = 758,355,430.14/x
  3. Step 3: Cross multiply
    1,361,185,342.47x = 1,878,493,523.19 × 758,355,430.14
  4. Step 4: Simplify right side
    1,361,185,342.47x = 1,424,565,763,793,956,608
  5. Step 5: Solve for x
    x = 1,424,565,763,793,956,608/1,361,185,342.47
  6. Step 6: Final answer
    x = 1,046,562,668.10

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Double scale
Find fourth proportional to 1,361,185,343.47, 1,878,493,524.57 and 758,355,431.14
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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.