Home / 1,029,505,421.12-1,544,244,653.28-253,157,783.36

Finding the Fourth Proportional to 1,029,505,421.12, 1,544,244,653.28 and 253,157,783.36

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Solution

The fourth proportional to 1,029,505,421.12, 1,544,244,653.28 and 253,157,783.36 is: 379,733,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,505,421.12 : 1,544,244,653.28 = 253,157,783.36 : x
  2. Step 2: Convert to fraction form
    1,029,505,421.12/1,544,244,653.28 = 253,157,783.36/x
  3. Step 3: Cross multiply
    1,029,505,421.12x = 1,544,244,653.28 × 253,157,783.36
  4. Step 4: Simplify right side
    1,029,505,421.12x = 390,937,553,389,896,576
  5. Step 5: Solve for x
    x = 390,937,553,389,896,576/1,029,505,421.12
  6. Step 6: Final answer
    x = 379,733,360.67

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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.