Home / 929,842,489.81-1,394,935,370.48-384,626,539.09

Finding the Fourth Proportional to 929,842,489.81, 1,394,935,370.48 and 384,626,539.09

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Solution

The fourth proportional to 929,842,489.81, 1,394,935,370.48 and 384,626,539.09 is: 577,010,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,842,489.81 : 1,394,935,370.48 = 384,626,539.09 : x
  2. Step 2: Convert to fraction form
    929,842,489.81/1,394,935,370.48 = 384,626,539.09/x
  3. Step 3: Cross multiply
    929,842,489.81x = 1,394,935,370.48 × 384,626,539.09
  4. Step 4: Simplify right side
    929,842,489.81x = 536,529,163,802,514,688
  5. Step 5: Solve for x
    x = 536,529,163,802,514,688/929,842,489.81
  6. Step 6: Final answer
    x = 577,010,805.25

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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.