Home / 19,128,571,942.23-28,701,144,259.51-10,275,080,203.89

Finding the Fourth Proportional to 19,128,571,942.23, 28,701,144,259.51 and 10,275,080,203.89

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Solution

The fourth proportional to 19,128,571,942.23, 28,701,144,259.51 and 10,275,080,203.89 is: 15,417,071,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,571,942.23 : 28,701,144,259.51 = 10,275,080,203.89 : x
  2. Step 2: Convert to fraction form
    19,128,571,942.23/28,701,144,259.51 = 10,275,080,203.89/x
  3. Step 3: Cross multiply
    19,128,571,942.23x = 28,701,144,259.51 × 10,275,080,203.89
  4. Step 4: Simplify right side
    19,128,571,942.23x = 294,906,559,209,923,411,968
  5. Step 5: Solve for x
    x = 294,906,559,209,923,411,968/19,128,571,942.23
  6. Step 6: Final answer
    x = 15,417,071,389.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.