Home / 753,838,477.20-1,129,917,907.80-293,623,693.20

Finding the Fourth Proportional to 753,838,477.20, 1,129,917,907.80 and 293,623,693.20

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Solution

The fourth proportional to 753,838,477.20, 1,129,917,907.80 and 293,623,693.20 is: 440,108,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,838,477.20 : 1,129,917,907.80 = 293,623,693.20 : x
  2. Step 2: Convert to fraction form
    753,838,477.20/1,129,917,907.80 = 293,623,693.20/x
  3. Step 3: Cross multiply
    753,838,477.20x = 1,129,917,907.80 × 293,623,693.20
  4. Step 4: Simplify right side
    753,838,477.20x = 331,770,669,101,053,056
  5. Step 5: Solve for x
    x = 331,770,669,101,053,056/753,838,477.20
  6. Step 6: Final answer
    x = 440,108,430.57

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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.