Home / 753,838,573.20-1,129,918,051.80-293,623,789.20

Finding the Fourth Proportional to 753,838,573.20, 1,129,918,051.80 and 293,623,789.20

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Solution

The fourth proportional to 753,838,573.20, 1,129,918,051.80 and 293,623,789.20 is: 440,108,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,838,573.20 : 1,129,918,051.80 = 293,623,789.20 : x
  2. Step 2: Convert to fraction form
    753,838,573.20/1,129,918,051.80 = 293,623,789.20/x
  3. Step 3: Cross multiply
    753,838,573.20x = 1,129,918,051.80 × 293,623,789.20
  4. Step 4: Simplify right side
    753,838,573.20x = 331,770,819,854,997,824
  5. Step 5: Solve for x
    x = 331,770,819,854,997,824/753,838,573.20
  6. Step 6: Final answer
    x = 440,108,574.50

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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.