Home / 1,119,348,214,590.70-1,679,190,204,448.80-393,151,549,032.88

Finding the Fourth Proportional to 1,119,348,214,590.70, 1,679,190,204,448.80 and 393,151,549,032.88

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Solution

The fourth proportional to 1,119,348,214,590.70, 1,679,190,204,448.80 and 393,151,549,032.88 is: 589,786,289,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,348,214,590.70 : 1,679,190,204,448.80 = 393,151,549,032.88 : x
  2. Step 2: Convert to fraction form
    1,119,348,214,590.70/1,679,190,204,448.80 = 393,151,549,032.88/x
  3. Step 3: Cross multiply
    1,119,348,214,590.70x = 1,679,190,204,448.80 × 393,151,549,032.88
  4. Step 4: Simplify right side
    1,119,348,214,590.70x = 660,176,229,999,884,244,090,880
  5. Step 5: Solve for x
    x = 660,176,229,999,884,244,090,880/1,119,348,214,590.70
  6. Step 6: Final answer
    x = 589,786,289,373.13

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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.