Home / 219,359,731.20-302,539,919-192,841,384.86

Finding the Fourth Proportional to 219,359,731.20, 302,539,919 and 192,841,384.86

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Solution

The fourth proportional to 219,359,731.20, 302,539,919 and 192,841,384.86 is: 265,965,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,359,731.20 : 302,539,919 = 192,841,384.86 : x
  2. Step 2: Convert to fraction form
    219,359,731.20/302,539,919 = 192,841,384.86/x
  3. Step 3: Cross multiply
    219,359,731.20x = 302,539,919 × 192,841,384.86
  4. Step 4: Simplify right side
    219,359,731.20x = 58,342,216,955,392,232
  5. Step 5: Solve for x
    x = 58,342,216,955,392,232/219,359,731.20
  6. Step 6: Final answer
    x = 265,965,939.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.