Home / 1,092,492,238.69-1,638,307,005.09-437,321,145.07

Finding the Fourth Proportional to 1,092,492,238.69, 1,638,307,005.09 and 437,321,145.07

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Solution

The fourth proportional to 1,092,492,238.69, 1,638,307,005.09 and 437,321,145.07 is: 655,809,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,492,238.69 : 1,638,307,005.09 = 437,321,145.07 : x
  2. Step 2: Convert to fraction form
    1,092,492,238.69/1,638,307,005.09 = 437,321,145.07/x
  3. Step 3: Cross multiply
    1,092,492,238.69x = 1,638,307,005.09 × 437,321,145.07
  4. Step 4: Simplify right side
    1,092,492,238.69x = 716,466,295,442,161,024
  5. Step 5: Solve for x
    x = 716,466,295,442,161,024/1,092,492,238.69
  6. Step 6: Final answer
    x = 655,809,048.40

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Double scale
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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.