Home / 1,347,683,419.20-2,021,525,128.80-378,335,035.20

Finding the Fourth Proportional to 1,347,683,419.20, 2,021,525,128.80 and 378,335,035.20

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Solution

The fourth proportional to 1,347,683,419.20, 2,021,525,128.80 and 378,335,035.20 is: 567,502,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,683,419.20 : 2,021,525,128.80 = 378,335,035.20 : x
  2. Step 2: Convert to fraction form
    1,347,683,419.20/2,021,525,128.80 = 378,335,035.20/x
  3. Step 3: Cross multiply
    1,347,683,419.20x = 2,021,525,128.80 × 378,335,035.20
  4. Step 4: Simplify right side
    1,347,683,419.20x = 764,813,780,762,232,448
  5. Step 5: Solve for x
    x = 764,813,780,762,232,448/1,347,683,419.20
  6. Step 6: Final answer
    x = 567,502,552.80

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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.