Home / 650,974,981.94-898,345,825.01-357,638,445.62

Finding the Fourth Proportional to 650,974,981.94, 898,345,825.01 and 357,638,445.62

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Solution

The fourth proportional to 650,974,981.94, 898,345,825.01 and 357,638,445.62 is: 493,541,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,974,981.94 : 898,345,825.01 = 357,638,445.62 : x
  2. Step 2: Convert to fraction form
    650,974,981.94/898,345,825.01 = 357,638,445.62/x
  3. Step 3: Cross multiply
    650,974,981.94x = 898,345,825.01 × 357,638,445.62
  4. Step 4: Simplify right side
    650,974,981.94x = 321,283,004,485,792,896
  5. Step 5: Solve for x
    x = 321,283,004,485,792,896/650,974,981.94
  6. Step 6: Final answer
    x = 493,541,247.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.