Home / 1,011,345,302.58-1,517,019,905.43-389,853,202.74

Finding the Fourth Proportional to 1,011,345,302.58, 1,517,019,905.43 and 389,853,202.74

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Solution

The fourth proportional to 1,011,345,302.58, 1,517,019,905.43 and 389,853,202.74 is: 584,780,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,345,302.58 : 1,517,019,905.43 = 389,853,202.74 : x
  2. Step 2: Convert to fraction form
    1,011,345,302.58/1,517,019,905.43 = 389,853,202.74/x
  3. Step 3: Cross multiply
    1,011,345,302.58x = 1,517,019,905.43 × 389,853,202.74
  4. Step 4: Simplify right side
    1,011,345,302.58x = 591,415,068,752,217,472
  5. Step 5: Solve for x
    x = 591,415,068,752,217,472/1,011,345,302.58
  6. Step 6: Final answer
    x = 584,780,556.40

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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.