Home / 1,090,152,782.20-1,635,441,749.70-468,366,812.20

Finding the Fourth Proportional to 1,090,152,782.20, 1,635,441,749.70 and 468,366,812.20

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Solution

The fourth proportional to 1,090,152,782.20, 1,635,441,749.70 and 468,366,812.20 is: 702,641,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,152,782.20 : 1,635,441,749.70 = 468,366,812.20 : x
  2. Step 2: Convert to fraction form
    1,090,152,782.20/1,635,441,749.70 = 468,366,812.20/x
  3. Step 3: Cross multiply
    1,090,152,782.20x = 1,635,441,749.70 × 468,366,812.20
  4. Step 4: Simplify right side
    1,090,152,782.20x = 765,986,638,845,779,328
  5. Step 5: Solve for x
    x = 765,986,638,845,779,328/1,090,152,782.20
  6. Step 6: Final answer
    x = 702,641,548.37

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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.