Home / 434,625,871.05-651,714,857.78-161,856,232.65

Finding the Fourth Proportional to 434,625,871.05, 651,714,857.78 and 161,856,232.65

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Solution

The fourth proportional to 434,625,871.05, 651,714,857.78 and 161,856,232.65 is: 242,700,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,625,871.05 : 651,714,857.78 = 161,856,232.65 : x
  2. Step 2: Convert to fraction form
    434,625,871.05/651,714,857.78 = 161,856,232.65/x
  3. Step 3: Cross multiply
    434,625,871.05x = 651,714,857.78 × 161,856,232.65
  4. Step 4: Simplify right side
    434,625,871.05x = 105,484,111,641,492,064
  5. Step 5: Solve for x
    x = 105,484,111,641,492,064/434,625,871.05
  6. Step 6: Final answer
    x = 242,700,949.64

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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.