Home / 447,417,857.51-671,085,377.37-211,013,173.11

Finding the Fourth Proportional to 447,417,857.51, 671,085,377.37 and 211,013,173.11

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Solution

The fourth proportional to 447,417,857.51, 671,085,377.37 and 211,013,173.11 is: 316,500,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,417,857.51 : 671,085,377.37 = 211,013,173.11 : x
  2. Step 2: Convert to fraction form
    447,417,857.51/671,085,377.37 = 211,013,173.11/x
  3. Step 3: Cross multiply
    447,417,857.51x = 671,085,377.37 × 211,013,173.11
  4. Step 4: Simplify right side
    447,417,857.51x = 141,607,854,906,565,504
  5. Step 5: Solve for x
    x = 141,607,854,906,565,504/447,417,857.51
  6. Step 6: Final answer
    x = 316,500,230.22

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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.