Home / 705,436,332.30-1,056,879,040.05-603,399,660.30

Finding the Fourth Proportional to 705,436,332.30, 1,056,879,040.05 and 603,399,660.30

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Solution

The fourth proportional to 705,436,332.30, 1,056,879,040.05 and 603,399,660.30 is: 904,008,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,436,332.30 : 1,056,879,040.05 = 603,399,660.30 : x
  2. Step 2: Convert to fraction form
    705,436,332.30/1,056,879,040.05 = 603,399,660.30/x
  3. Step 3: Cross multiply
    705,436,332.30x = 1,056,879,040.05 × 603,399,660.30
  4. Step 4: Simplify right side
    705,436,332.30x = 637,720,453,744,360,064
  5. Step 5: Solve for x
    x = 637,720,453,744,360,064/705,436,332.30
  6. Step 6: Final answer
    x = 904,008,518.62

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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.