Home / 1,253,106,720,808.50-1,879,657,735,103.70-392,646,762,457.84

Finding the Fourth Proportional to 1,253,106,720,808.50, 1,879,657,735,103.70 and 392,646,762,457.84

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Solution

The fourth proportional to 1,253,106,720,808.50, 1,879,657,735,103.70 and 392,646,762,457.84 is: 588,969,408,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,106,720,808.50 : 1,879,657,735,103.70 = 392,646,762,457.84 : x
  2. Step 2: Convert to fraction form
    1,253,106,720,808.50/1,879,657,735,103.70 = 392,646,762,457.84/x
  3. Step 3: Cross multiply
    1,253,106,720,808.50x = 1,879,657,735,103.70 × 392,646,762,457.84
  4. Step 4: Simplify right side
    1,253,106,720,808.50x = 738,041,524,217,304,028,545,024
  5. Step 5: Solve for x
    x = 738,041,524,217,304,028,545,024/1,253,106,720,808.50
  6. Step 6: Final answer
    x = 588,969,408,560.13

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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.