Home / 19,420,124,393.53-26,799,673,133.91-10,509,453,146.53

Finding the Fourth Proportional to 19,420,124,393.53, 26,799,673,133.91 and 10,509,453,146.53

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Solution

The fourth proportional to 19,420,124,393.53, 26,799,673,133.91 and 10,509,453,146.53 is: 14,502,992,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420,124,393.53 : 26,799,673,133.91 = 10,509,453,146.53 : x
  2. Step 2: Convert to fraction form
    19,420,124,393.53/26,799,673,133.91 = 10,509,453,146.53/x
  3. Step 3: Cross multiply
    19,420,124,393.53x = 26,799,673,133.91 × 10,509,453,146.53
  4. Step 4: Simplify right side
    19,420,124,393.53x = 281,649,909,143,145,971,712
  5. Step 5: Solve for x
    x = 281,649,909,143,145,971,712/19,420,124,393.53
  6. Step 6: Final answer
    x = 14,502,992,021.87

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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.