Home / 629,857,313.10-944,785,969.65-432,586,413.90

Finding the Fourth Proportional to 629,857,313.10, 944,785,969.65 and 432,586,413.90

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Solution

The fourth proportional to 629,857,313.10, 944,785,969.65 and 432,586,413.90 is: 648,879,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,313.10 : 944,785,969.65 = 432,586,413.90 : x
  2. Step 2: Convert to fraction form
    629,857,313.10/944,785,969.65 = 432,586,413.90/x
  3. Step 3: Cross multiply
    629,857,313.10x = 944,785,969.65 × 432,586,413.90
  4. Step 4: Simplify right side
    629,857,313.10x = 408,701,574,513,927,680
  5. Step 5: Solve for x
    x = 408,701,574,513,927,680/629,857,313.10
  6. Step 6: Final answer
    x = 648,879,620.85

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Double scale
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Similar ratio
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1.5x scale

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.