Home / 629,874,020.40-944,811,030.60-169,858,690.80

Finding the Fourth Proportional to 629,874,020.40, 944,811,030.60 and 169,858,690.80

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Solution

The fourth proportional to 629,874,020.40, 944,811,030.60 and 169,858,690.80 is: 254,788,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,874,020.40 : 944,811,030.60 = 169,858,690.80 : x
  2. Step 2: Convert to fraction form
    629,874,020.40/944,811,030.60 = 169,858,690.80/x
  3. Step 3: Cross multiply
    629,874,020.40x = 944,811,030.60 × 169,858,690.80
  4. Step 4: Simplify right side
    629,874,020.40x = 160,484,364,711,114,752
  5. Step 5: Solve for x
    x = 160,484,364,711,114,752/629,874,020.40
  6. Step 6: Final answer
    x = 254,788,036.20

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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.