Home / 937,780,063.20-1,294,044,294.96-520,085,069.28

Finding the Fourth Proportional to 937,780,063.20, 1,294,044,294.96 and 520,085,069.28

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Solution

The fourth proportional to 937,780,063.20, 1,294,044,294.96 and 520,085,069.28 is: 717,666,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,780,063.20 : 1,294,044,294.96 = 520,085,069.28 : x
  2. Step 2: Convert to fraction form
    937,780,063.20/1,294,044,294.96 = 520,085,069.28/x
  3. Step 3: Cross multiply
    937,780,063.20x = 1,294,044,294.96 × 520,085,069.28
  4. Step 4: Simplify right side
    937,780,063.20x = 673,013,116,795,660,288
  5. Step 5: Solve for x
    x = 673,013,116,795,660,288/937,780,063.20
  6. Step 6: Final answer
    x = 717,666,266.54

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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.