Home / 1,605,626,342.92-2,405,588,622.18-670,891,470.76

Finding the Fourth Proportional to 1,605,626,342.92, 2,405,588,622.18 and 670,891,470.76

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Solution

The fourth proportional to 1,605,626,342.92, 2,405,588,622.18 and 670,891,470.76 is: 1,005,145,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,626,342.92 : 2,405,588,622.18 = 670,891,470.76 : x
  2. Step 2: Convert to fraction form
    1,605,626,342.92/2,405,588,622.18 = 670,891,470.76/x
  3. Step 3: Cross multiply
    1,605,626,342.92x = 2,405,588,622.18 × 670,891,470.76
  4. Step 4: Simplify right side
    1,605,626,342.92x = 1,613,888,888,777,862,144
  5. Step 5: Solve for x
    x = 1,613,888,888,777,862,144/1,605,626,342.92
  6. Step 6: Final answer
    x = 1,005,145,995.45

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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.