Home / 905,392,903.98-1,356,703,210.86-609,190,896.78

Finding the Fourth Proportional to 905,392,903.98, 1,356,703,210.86 and 609,190,896.78

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Solution

The fourth proportional to 905,392,903.98, 1,356,703,210.86 and 609,190,896.78 is: 912,853,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,392,903.98 : 1,356,703,210.86 = 609,190,896.78 : x
  2. Step 2: Convert to fraction form
    905,392,903.98/1,356,703,210.86 = 609,190,896.78/x
  3. Step 3: Cross multiply
    905,392,903.98x = 1,356,703,210.86 × 609,190,896.78
  4. Step 4: Simplify right side
    905,392,903.98x = 826,491,245,688,108,672
  5. Step 5: Solve for x
    x = 826,491,245,688,108,672/905,392,903.98
  6. Step 6: Final answer
    x = 912,853,681.59

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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.