Home / 1,347,683,430.70-2,021,525,146.05-378,335,046.70

Finding the Fourth Proportional to 1,347,683,430.70, 2,021,525,146.05 and 378,335,046.70

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Solution

The fourth proportional to 1,347,683,430.70, 2,021,525,146.05 and 378,335,046.70 is: 567,502,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,683,430.70 : 2,021,525,146.05 = 378,335,046.70 : x
  2. Step 2: Convert to fraction form
    1,347,683,430.70/2,021,525,146.05 = 378,335,046.70/x
  3. Step 3: Cross multiply
    1,347,683,430.70x = 2,021,525,146.05 × 378,335,046.70
  4. Step 4: Simplify right side
    1,347,683,430.70x = 764,813,810,536,051,072
  5. Step 5: Solve for x
    x = 764,813,810,536,051,072/1,347,683,430.70
  6. Step 6: Final answer
    x = 567,502,570.05

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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.