Home / 650,974,980.94-898,345,823.63-357,638,444.62

Finding the Fourth Proportional to 650,974,980.94, 898,345,823.63 and 357,638,444.62

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Solution

The fourth proportional to 650,974,980.94, 898,345,823.63 and 357,638,444.62 is: 493,541,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,974,980.94 : 898,345,823.63 = 357,638,444.62 : x
  2. Step 2: Convert to fraction form
    650,974,980.94/898,345,823.63 = 357,638,444.62/x
  3. Step 3: Cross multiply
    650,974,980.94x = 898,345,823.63 × 357,638,444.62
  4. Step 4: Simplify right side
    650,974,980.94x = 321,283,003,089,872,000
  5. Step 5: Solve for x
    x = 321,283,003,089,872,000/650,974,980.94
  6. Step 6: Final answer
    x = 493,541,245.82

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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.