Home / 743,146,849.47-1,113,983,962.38-348,968,057.07

Finding the Fourth Proportional to 743,146,849.47, 1,113,983,962.38 and 348,968,057.07

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Solution

The fourth proportional to 743,146,849.47, 1,113,983,962.38 and 348,968,057.07 is: 523,106,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,146,849.47 : 1,113,983,962.38 = 348,968,057.07 : x
  2. Step 2: Convert to fraction form
    743,146,849.47/1,113,983,962.38 = 348,968,057.07/x
  3. Step 3: Cross multiply
    743,146,849.47x = 1,113,983,962.38 × 348,968,057.07
  4. Step 4: Simplify right side
    743,146,849.47x = 388,744,818,958,888,576
  5. Step 5: Solve for x
    x = 388,744,818,958,888,576/743,146,849.47
  6. Step 6: Final answer
    x = 523,106,327.15

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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.