Home / 629,857,106.40-944,785,659.60-370,939,051.20

Finding the Fourth Proportional to 629,857,106.40, 944,785,659.60 and 370,939,051.20

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Solution

The fourth proportional to 629,857,106.40, 944,785,659.60 and 370,939,051.20 is: 556,408,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,106.40 : 944,785,659.60 = 370,939,051.20 : x
  2. Step 2: Convert to fraction form
    629,857,106.40/944,785,659.60 = 370,939,051.20/x
  3. Step 3: Cross multiply
    629,857,106.40x = 944,785,659.60 × 370,939,051.20
  4. Step 4: Simplify right side
    629,857,106.40x = 350,457,896,159,390,144
  5. Step 5: Solve for x
    x = 350,457,896,159,390,144/629,857,106.40
  6. Step 6: Final answer
    x = 556,408,576.80

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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.