Home / 434,448,016.40-651,672,024.60-161,762,358.80

Finding the Fourth Proportional to 434,448,016.40, 651,672,024.60 and 161,762,358.80

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Solution

The fourth proportional to 434,448,016.40, 651,672,024.60 and 161,762,358.80 is: 242,643,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,448,016.40 : 651,672,024.60 = 161,762,358.80 : x
  2. Step 2: Convert to fraction form
    434,448,016.40/651,672,024.60 = 161,762,358.80/x
  3. Step 3: Cross multiply
    434,448,016.40x = 651,672,024.60 × 161,762,358.80
  4. Step 4: Simplify right side
    434,448,016.40x = 105,416,003,863,267,632
  5. Step 5: Solve for x
    x = 105,416,003,863,267,632/434,448,016.40
  6. Step 6: Final answer
    x = 242,643,538.20

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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.