Home / 1,543,525,498.64-2,315,283,667.07-438,131,291.10

Finding the Fourth Proportional to 1,543,525,498.64, 2,315,283,667.07 and 438,131,291.10

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Solution

The fourth proportional to 1,543,525,498.64, 2,315,283,667.07 and 438,131,291.10 is: 657,195,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,525,498.64 : 2,315,283,667.07 = 438,131,291.10 : x
  2. Step 2: Convert to fraction form
    1,543,525,498.64/2,315,283,667.07 = 438,131,291.10/x
  3. Step 3: Cross multiply
    1,543,525,498.64x = 2,315,283,667.07 × 438,131,291.10
  4. Step 4: Simplify right side
    1,543,525,498.64x = 1,014,398,222,313,931,136
  5. Step 5: Solve for x
    x = 1,014,398,222,313,931,136/1,543,525,498.64
  6. Step 6: Final answer
    x = 657,195,636.36

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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.