Home / 1,945,705,738.80-2,921,470,904.76-1,684,201,337.40

Finding the Fourth Proportional to 1,945,705,738.80, 2,921,470,904.76 and 1,684,201,337.40

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Solution

The fourth proportional to 1,945,705,738.80, 2,921,470,904.76 and 1,684,201,337.40 is: 2,528,822,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,705,738.80 : 2,921,470,904.76 = 1,684,201,337.40 : x
  2. Step 2: Convert to fraction form
    1,945,705,738.80/2,921,470,904.76 = 1,684,201,337.40/x
  3. Step 3: Cross multiply
    1,945,705,738.80x = 2,921,470,904.76 × 1,684,201,337.40
  4. Step 4: Simplify right side
    1,945,705,738.80x = 4,920,345,204,971,980,800
  5. Step 5: Solve for x
    x = 4,920,345,204,971,980,800/1,945,705,738.80
  6. Step 6: Final answer
    x = 2,528,822,887.68

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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.