Home / 1,339,403,680.85-1,848,480,615.90-803,575,510.83

Finding the Fourth Proportional to 1,339,403,680.85, 1,848,480,615.90 and 803,575,510.83

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Solution

The fourth proportional to 1,339,403,680.85, 1,848,480,615.90 and 803,575,510.83 is: 1,108,996,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,403,680.85 : 1,848,480,615.90 = 803,575,510.83 : x
  2. Step 2: Convert to fraction form
    1,339,403,680.85/1,848,480,615.90 = 803,575,510.83/x
  3. Step 3: Cross multiply
    1,339,403,680.85x = 1,848,480,615.90 × 803,575,510.83
  4. Step 4: Simplify right side
    1,339,403,680.85x = 1,485,393,755,183,807,744
  5. Step 5: Solve for x
    x = 1,485,393,755,183,807,744/1,339,403,680.85
  6. Step 6: Final answer
    x = 1,108,996,321.59

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Double scale
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1.5x scale

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.