Home / 442,931,208.20-664,197,746.70-170,211,336.20

Finding the Fourth Proportional to 442,931,208.20, 664,197,746.70 and 170,211,336.20

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Solution

The fourth proportional to 442,931,208.20, 664,197,746.70 and 170,211,336.20 is: 255,240,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,931,208.20 : 664,197,746.70 = 170,211,336.20 : x
  2. Step 2: Convert to fraction form
    442,931,208.20/664,197,746.70 = 170,211,336.20/x
  3. Step 3: Cross multiply
    442,931,208.20x = 664,197,746.70 × 170,211,336.20
  4. Step 4: Simplify right side
    442,931,208.20x = 113,053,985,966,836,144
  5. Step 5: Solve for x
    x = 113,053,985,966,836,144/442,931,208.20
  6. Step 6: Final answer
    x = 255,240,506.59

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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.