Home / 319,360,124.28-478,967,908.50-146,670,923.64

Finding the Fourth Proportional to 319,360,124.28, 478,967,908.50 and 146,670,923.64

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Solution

The fourth proportional to 319,360,124.28, 478,967,908.50 and 146,670,923.64 is: 219,973,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,360,124.28 : 478,967,908.50 = 146,670,923.64 : x
  2. Step 2: Convert to fraction form
    319,360,124.28/478,967,908.50 = 146,670,923.64/x
  3. Step 3: Cross multiply
    319,360,124.28x = 478,967,908.50 × 146,670,923.64
  4. Step 4: Simplify right side
    319,360,124.28x = 70,250,665,533,614,000
  5. Step 5: Solve for x
    x = 70,250,665,533,614,000/319,360,124.28
  6. Step 6: Final answer
    x = 219,973,190.74

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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.