Home / 629,857,139.80-944,785,709.70-354,358,125.40

Finding the Fourth Proportional to 629,857,139.80, 944,785,709.70 and 354,358,125.40

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Solution

The fourth proportional to 629,857,139.80, 944,785,709.70 and 354,358,125.40 is: 531,537,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,139.80 : 944,785,709.70 = 354,358,125.40 : x
  2. Step 2: Convert to fraction form
    629,857,139.80/944,785,709.70 = 354,358,125.40/x
  3. Step 3: Cross multiply
    629,857,139.80x = 944,785,709.70 × 354,358,125.40
  4. Step 4: Simplify right side
    629,857,139.80x = 334,792,492,994,000,576
  5. Step 5: Solve for x
    x = 334,792,492,994,000,576/629,857,139.80
  6. Step 6: Final answer
    x = 531,537,188.10

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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.