Home / 352,267,221.20-528,484,812.60-170,364,808.40

Finding the Fourth Proportional to 352,267,221.20, 528,484,812.60 and 170,364,808.40

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Solution

The fourth proportional to 352,267,221.20, 528,484,812.60 and 170,364,808.40 is: 255,587,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,267,221.20 : 528,484,812.60 = 170,364,808.40 : x
  2. Step 2: Convert to fraction form
    352,267,221.20/528,484,812.60 = 170,364,808.40/x
  3. Step 3: Cross multiply
    352,267,221.20x = 528,484,812.60 × 170,364,808.40
  4. Step 4: Simplify right side
    352,267,221.20x = 90,035,213,840,908,912
  5. Step 5: Solve for x
    x = 90,035,213,840,908,912/352,267,221.20
  6. Step 6: Final answer
    x = 255,587,827.71

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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.