Home / 299,011,115.40-448,516,673.10-238,544,939.40

Finding the Fourth Proportional to 299,011,115.40, 448,516,673.10 and 238,544,939.40

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Solution

The fourth proportional to 299,011,115.40, 448,516,673.10 and 238,544,939.40 is: 357,817,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,011,115.40 : 448,516,673.10 = 238,544,939.40 : x
  2. Step 2: Convert to fraction form
    299,011,115.40/448,516,673.10 = 238,544,939.40/x
  3. Step 3: Cross multiply
    299,011,115.40x = 448,516,673.10 × 238,544,939.40
  4. Step 4: Simplify right side
    299,011,115.40x = 106,991,382,604,529,120
  5. Step 5: Solve for x
    x = 106,991,382,604,529,120/299,011,115.40
  6. Step 6: Final answer
    x = 357,817,409.10

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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.