Home / 1,018,424,440.40-1,405,438,378.78-616,532,867.64

Finding the Fourth Proportional to 1,018,424,440.40, 1,405,438,378.78 and 616,532,867.64

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Solution

The fourth proportional to 1,018,424,440.40, 1,405,438,378.78 and 616,532,867.64 is: 850,823,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,424,440.40 : 1,405,438,378.78 = 616,532,867.64 : x
  2. Step 2: Convert to fraction form
    1,018,424,440.40/1,405,438,378.78 = 616,532,867.64/x
  3. Step 3: Cross multiply
    1,018,424,440.40x = 1,405,438,378.78 × 616,532,867.64
  4. Step 4: Simplify right side
    1,018,424,440.40x = 866,498,953,960,545,920
  5. Step 5: Solve for x
    x = 866,498,953,960,545,920/1,018,424,440.40
  6. Step 6: Final answer
    x = 850,823,016.01

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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.