Home / 1,192,771,803,784.60-1,789,409,289,851.70-386,876,155,980.15

Finding the Fourth Proportional to 1,192,771,803,784.60, 1,789,409,289,851.70 and 386,876,155,980.15

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Solution

The fourth proportional to 1,192,771,803,784.60, 1,789,409,289,851.70 and 386,876,155,980.15 is: 580,395,835,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,771,803,784.60 : 1,789,409,289,851.70 = 386,876,155,980.15 : x
  2. Step 2: Convert to fraction form
    1,192,771,803,784.60/1,789,409,289,851.70 = 386,876,155,980.15/x
  3. Step 3: Cross multiply
    1,192,771,803,784.60x = 1,789,409,289,851.70 × 386,876,155,980.15
  4. Step 4: Simplify right side
    1,192,771,803,784.60x = 692,279,787,532,995,698,622,464
  5. Step 5: Solve for x
    x = 692,279,787,532,995,698,622,464/1,192,771,803,784.60
  6. Step 6: Final answer
    x = 580,395,835,428.39

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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.