Home / 743,146,865.01-1,113,983,985.79-348,968,072.67

Finding the Fourth Proportional to 743,146,865.01, 1,113,983,985.79 and 348,968,072.67

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Solution

The fourth proportional to 743,146,865.01, 1,113,983,985.79 and 348,968,072.67 is: 523,106,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,146,865.01 : 1,113,983,985.79 = 348,968,072.67 : x
  2. Step 2: Convert to fraction form
    743,146,865.01/1,113,983,985.79 = 348,968,072.67/x
  3. Step 3: Cross multiply
    743,146,865.01x = 1,113,983,985.79 × 348,968,072.67
  4. Step 4: Simplify right side
    743,146,865.01x = 388,744,844,499,066,240
  5. Step 5: Solve for x
    x = 388,744,844,499,066,240/743,146,865.01
  6. Step 6: Final answer
    x = 523,106,350.58

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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.