Home / 743,146,864.57-1,113,983,985.14-348,968,072.23

Finding the Fourth Proportional to 743,146,864.57, 1,113,983,985.14 and 348,968,072.23

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Solution

The fourth proportional to 743,146,864.57, 1,113,983,985.14 and 348,968,072.23 is: 523,106,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,146,864.57 : 1,113,983,985.14 = 348,968,072.23 : x
  2. Step 2: Convert to fraction form
    743,146,864.57/1,113,983,985.14 = 348,968,072.23/x
  3. Step 3: Cross multiply
    743,146,864.57x = 1,113,983,985.14 × 348,968,072.23
  4. Step 4: Simplify right side
    743,146,864.57x = 388,744,843,782,084,032
  5. Step 5: Solve for x
    x = 388,744,843,782,084,032/743,146,864.57
  6. Step 6: Final answer
    x = 523,106,349.92

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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.