Home / 1,782,106,981.40-2,674,117,065.90-747,072,489.80

Finding the Fourth Proportional to 1,782,106,981.40, 2,674,117,065.90 and 747,072,489.80

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Solution

The fourth proportional to 1,782,106,981.40, 2,674,117,065.90 and 747,072,489.80 is: 1,121,009,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,106,981.40 : 2,674,117,065.90 = 747,072,489.80 : x
  2. Step 2: Convert to fraction form
    1,782,106,981.40/2,674,117,065.90 = 747,072,489.80/x
  3. Step 3: Cross multiply
    1,782,106,981.40x = 2,674,117,065.90 × 747,072,489.80
  4. Step 4: Simplify right side
    1,782,106,981.40x = 1,997,759,294,438,583,552
  5. Step 5: Solve for x
    x = 1,997,759,294,438,583,552/1,782,106,981.40
  6. Step 6: Final answer
    x = 1,121,009,745.93

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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.