Home / 1,225,266,922.80-1,837,900,384.20-305,143,261.43

Finding the Fourth Proportional to 1,225,266,922.80, 1,837,900,384.20 and 305,143,261.43

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Solution

The fourth proportional to 1,225,266,922.80, 1,837,900,384.20 and 305,143,261.43 is: 457,714,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,266,922.80 : 1,837,900,384.20 = 305,143,261.43 : x
  2. Step 2: Convert to fraction form
    1,225,266,922.80/1,837,900,384.20 = 305,143,261.43/x
  3. Step 3: Cross multiply
    1,225,266,922.80x = 1,837,900,384.20 × 305,143,261.43
  4. Step 4: Simplify right side
    1,225,266,922.80x = 560,822,917,409,048,576
  5. Step 5: Solve for x
    x = 560,822,917,409,048,576/1,225,266,922.80
  6. Step 6: Final answer
    x = 457,714,892.14

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Double scale
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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.