Home / 629,857,426.80-944,786,140.20-354,358,412.40

Finding the Fourth Proportional to 629,857,426.80, 944,786,140.20 and 354,358,412.40

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Solution

The fourth proportional to 629,857,426.80, 944,786,140.20 and 354,358,412.40 is: 531,537,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,426.80 : 944,786,140.20 = 354,358,412.40 : x
  2. Step 2: Convert to fraction form
    629,857,426.80/944,786,140.20 = 354,358,412.40/x
  3. Step 3: Cross multiply
    629,857,426.80x = 944,786,140.20 × 354,358,412.40
  4. Step 4: Simplify right side
    629,857,426.80x = 334,792,916,698,795,840
  5. Step 5: Solve for x
    x = 334,792,916,698,795,840/629,857,426.80
  6. Step 6: Final answer
    x = 531,537,618.60

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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.