Home / 915,323,898.75-1,263,415,804.08-597,832,681.39

Finding the Fourth Proportional to 915,323,898.75, 1,263,415,804.08 and 597,832,681.39

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Solution

The fourth proportional to 915,323,898.75, 1,263,415,804.08 and 597,832,681.39 is: 825,184,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,323,898.75 : 1,263,415,804.08 = 597,832,681.39 : x
  2. Step 2: Convert to fraction form
    915,323,898.75/1,263,415,804.08 = 597,832,681.39/x
  3. Step 3: Cross multiply
    915,323,898.75x = 1,263,415,804.08 × 597,832,681.39
  4. Step 4: Simplify right side
    915,323,898.75x = 755,311,257,858,278,784
  5. Step 5: Solve for x
    x = 755,311,257,858,278,784/915,323,898.75
  6. Step 6: Final answer
    x = 825,184,679.32

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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.