Home / 1,203,861,900.52-1,661,196,589.58-675,117,077.86

Finding the Fourth Proportional to 1,203,861,900.52, 1,661,196,589.58 and 675,117,077.86

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Solution

The fourth proportional to 1,203,861,900.52, 1,661,196,589.58 and 675,117,077.86 is: 931,587,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,861,900.52 : 1,661,196,589.58 = 675,117,077.86 : x
  2. Step 2: Convert to fraction form
    1,203,861,900.52/1,661,196,589.58 = 675,117,077.86/x
  3. Step 3: Cross multiply
    1,203,861,900.52x = 1,661,196,589.58 × 675,117,077.86
  4. Step 4: Simplify right side
    1,203,861,900.52x = 1,121,502,187,312,011,648
  5. Step 5: Solve for x
    x = 1,121,502,187,312,011,648/1,203,861,900.52
  6. Step 6: Final answer
    x = 931,587,075.58

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Double scale
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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.