Home / 541,307,426.09-747,004,968.84-293,788,780.34

Finding the Fourth Proportional to 541,307,426.09, 747,004,968.84 and 293,788,780.34

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Solution

The fourth proportional to 541,307,426.09, 747,004,968.84 and 293,788,780.34 is: 405,428,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,307,426.09 : 747,004,968.84 = 293,788,780.34 : x
  2. Step 2: Convert to fraction form
    541,307,426.09/747,004,968.84 = 293,788,780.34/x
  3. Step 3: Cross multiply
    541,307,426.09x = 747,004,968.84 × 293,788,780.34
  4. Step 4: Simplify right side
    541,307,426.09x = 219,461,678,699,688,288
  5. Step 5: Solve for x
    x = 219,461,678,699,688,288/541,307,426.09
  6. Step 6: Final answer
    x = 405,428,908.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.