Home / 1,119,348,214,594.60-1,679,190,204,454.80-393,151,549,036.78

Finding the Fourth Proportional to 1,119,348,214,594.60, 1,679,190,204,454.80 and 393,151,549,036.78

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Solution

The fourth proportional to 1,119,348,214,594.60, 1,679,190,204,454.80 and 393,151,549,036.78 is: 589,786,289,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,348,214,594.60 : 1,679,190,204,454.80 = 393,151,549,036.78 : x
  2. Step 2: Convert to fraction form
    1,119,348,214,594.60/1,679,190,204,454.80 = 393,151,549,036.78/x
  3. Step 3: Cross multiply
    1,119,348,214,594.60x = 1,679,190,204,454.80 × 393,151,549,036.78
  4. Step 4: Simplify right side
    1,119,348,214,594.60x = 660,176,230,008,792,006,262,784
  5. Step 5: Solve for x
    x = 660,176,230,008,792,006,262,784/1,119,348,214,594.60
  6. Step 6: Final answer
    x = 589,786,289,379.03

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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.