Home / 1,394,208,457.85-1,924,042,173.89-759,163,763.90

Finding the Fourth Proportional to 1,394,208,457.85, 1,924,042,173.89 and 759,163,763.90

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Solution

The fourth proportional to 1,394,208,457.85, 1,924,042,173.89 and 759,163,763.90 is: 1,047,664,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,208,457.85 : 1,924,042,173.89 = 759,163,763.90 : x
  2. Step 2: Convert to fraction form
    1,394,208,457.85/1,924,042,173.89 = 759,163,763.90/x
  3. Step 3: Cross multiply
    1,394,208,457.85x = 1,924,042,173.89 × 759,163,763.90
  4. Step 4: Simplify right side
    1,394,208,457.85x = 1,460,663,098,619,254,528
  5. Step 5: Solve for x
    x = 1,460,663,098,619,254,528/1,394,208,457.85
  6. Step 6: Final answer
    x = 1,047,664,780.97

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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.