Home / 899,760,138.63-1,241,368,267.91-523,336,820.47

Finding the Fourth Proportional to 899,760,138.63, 1,241,368,267.91 and 523,336,820.47

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Solution

The fourth proportional to 899,760,138.63, 1,241,368,267.91 and 523,336,820.47 is: 722,029,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,760,138.63 : 1,241,368,267.91 = 523,336,820.47 : x
  2. Step 2: Convert to fraction form
    899,760,138.63/1,241,368,267.91 = 523,336,820.47/x
  3. Step 3: Cross multiply
    899,760,138.63x = 1,241,368,267.91 × 523,336,820.47
  4. Step 4: Simplify right side
    899,760,138.63x = 649,653,722,354,650,368
  5. Step 5: Solve for x
    x = 649,653,722,354,650,368/899,760,138.63
  6. Step 6: Final answer
    x = 722,029,899.38

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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.