Home / 319,541,698.20-479,312,547.30-164,573,502.60

Finding the Fourth Proportional to 319,541,698.20, 479,312,547.30 and 164,573,502.60

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Solution

The fourth proportional to 319,541,698.20, 479,312,547.30 and 164,573,502.60 is: 246,860,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,541,698.20 : 479,312,547.30 = 164,573,502.60 : x
  2. Step 2: Convert to fraction form
    319,541,698.20/479,312,547.30 = 164,573,502.60/x
  3. Step 3: Cross multiply
    319,541,698.20x = 479,312,547.30 × 164,573,502.60
  4. Step 4: Simplify right side
    319,541,698.20x = 78,882,144,749,289,168
  5. Step 5: Solve for x
    x = 78,882,144,749,289,168/319,541,698.20
  6. Step 6: Final answer
    x = 246,860,253.90

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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.