Home / 915,832,676.64-1,263,734,269.20-619,120,526.88

Finding the Fourth Proportional to 915,832,676.64, 1,263,734,269.20 and 619,120,526.88

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Solution

The fourth proportional to 915,832,676.64, 1,263,734,269.20 and 619,120,526.88 is: 854,308,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,832,676.64 : 1,263,734,269.20 = 619,120,526.88 : x
  2. Step 2: Convert to fraction form
    915,832,676.64/1,263,734,269.20 = 619,120,526.88/x
  3. Step 3: Cross multiply
    915,832,676.64x = 1,263,734,269.20 × 619,120,526.88
  4. Step 4: Simplify right side
    915,832,676.64x = 782,403,826,583,415,808
  5. Step 5: Solve for x
    x = 782,403,826,583,415,808/915,832,676.64
  6. Step 6: Final answer
    x = 854,308,703.48

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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.