Home / 472,392,362.80-708,588,544.20-165,715,476.40

Finding the Fourth Proportional to 472,392,362.80, 708,588,544.20 and 165,715,476.40

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Solution

The fourth proportional to 472,392,362.80, 708,588,544.20 and 165,715,476.40 is: 248,573,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,362.80 : 708,588,544.20 = 165,715,476.40 : x
  2. Step 2: Convert to fraction form
    472,392,362.80/708,588,544.20 = 165,715,476.40/x
  3. Step 3: Cross multiply
    472,392,362.80x = 708,588,544.20 × 165,715,476.40
  4. Step 4: Simplify right side
    472,392,362.80x = 117,424,088,173,685,472
  5. Step 5: Solve for x
    x = 117,424,088,173,685,472/472,392,362.80
  6. Step 6: Final answer
    x = 248,573,214.60

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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.