Home / 434,626,129.30-651,715,245.15-161,856,490.90

Finding the Fourth Proportional to 434,626,129.30, 651,715,245.15 and 161,856,490.90

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Solution

The fourth proportional to 434,626,129.30, 651,715,245.15 and 161,856,490.90 is: 242,701,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,626,129.30 : 651,715,245.15 = 161,856,490.90 : x
  2. Step 2: Convert to fraction form
    434,626,129.30/651,715,245.15 = 161,856,490.90/x
  3. Step 3: Cross multiply
    434,626,129.30x = 651,715,245.15 × 161,856,490.90
  4. Step 4: Simplify right side
    434,626,129.30x = 105,484,342,646,012,240
  5. Step 5: Solve for x
    x = 105,484,342,646,012,240/434,626,129.30
  6. Step 6: Final answer
    x = 242,701,336.93

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1.5x scale

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.