Home / 929,667,762.13-1,394,685,507.02-265,687,738.69

Finding the Fourth Proportional to 929,667,762.13, 1,394,685,507.02 and 265,687,738.69

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Solution

The fourth proportional to 929,667,762.13, 1,394,685,507.02 and 265,687,738.69 is: 398,584,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,667,762.13 : 1,394,685,507.02 = 265,687,738.69 : x
  2. Step 2: Convert to fraction form
    929,667,762.13/1,394,685,507.02 = 265,687,738.69/x
  3. Step 3: Cross multiply
    929,667,762.13x = 1,394,685,507.02 × 265,687,738.69
  4. Step 4: Simplify right side
    929,667,762.13x = 370,550,838,543,859,904
  5. Step 5: Solve for x
    x = 370,550,838,543,859,904/929,667,762.13
  6. Step 6: Final answer
    x = 398,584,154.08

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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.