Home / 1,238,835,753.86-1,709,638,453.22-674,293,370.60

Finding the Fourth Proportional to 1,238,835,753.86, 1,709,638,453.22 and 674,293,370.60

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Solution

The fourth proportional to 1,238,835,753.86, 1,709,638,453.22 and 674,293,370.60 is: 930,549,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,835,753.86 : 1,709,638,453.22 = 674,293,370.60 : x
  2. Step 2: Convert to fraction form
    1,238,835,753.86/1,709,638,453.22 = 674,293,370.60/x
  3. Step 3: Cross multiply
    1,238,835,753.86x = 1,709,638,453.22 × 674,293,370.60
  4. Step 4: Simplify right side
    1,238,835,753.86x = 1,152,797,875,117,164,544
  5. Step 5: Solve for x
    x = 1,152,797,875,117,164,544/1,238,835,753.86
  6. Step 6: Final answer
    x = 930,549,406.19

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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.