Home / 434,617,066.80-651,925,600.20-143,529,116.40

Finding the Fourth Proportional to 434,617,066.80, 651,925,600.20 and 143,529,116.40

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Solution

The fourth proportional to 434,617,066.80, 651,925,600.20 and 143,529,116.40 is: 215,293,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,617,066.80 : 651,925,600.20 = 143,529,116.40 : x
  2. Step 2: Convert to fraction form
    434,617,066.80/651,925,600.20 = 143,529,116.40/x
  3. Step 3: Cross multiply
    434,617,066.80x = 651,925,600.20 × 143,529,116.40
  4. Step 4: Simplify right side
    434,617,066.80x = 93,570,305,355,245,680
  5. Step 5: Solve for x
    x = 93,570,305,355,245,680/434,617,066.80
  6. Step 6: Final answer
    x = 215,293,674.60

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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.