Home / 629,857,302.60-944,785,953.90-432,586,403.40

Finding the Fourth Proportional to 629,857,302.60, 944,785,953.90 and 432,586,403.40

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Solution

The fourth proportional to 629,857,302.60, 944,785,953.90 and 432,586,403.40 is: 648,879,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,302.60 : 944,785,953.90 = 432,586,403.40 : x
  2. Step 2: Convert to fraction form
    629,857,302.60/944,785,953.90 = 432,586,403.40/x
  3. Step 3: Cross multiply
    629,857,302.60x = 944,785,953.90 × 432,586,403.40
  4. Step 4: Simplify right side
    629,857,302.60x = 408,701,557,780,439,168
  5. Step 5: Solve for x
    x = 408,701,557,780,439,168/629,857,302.60
  6. Step 6: Final answer
    x = 648,879,605.10

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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.