Home / 561,353,287.87-841,368,672.30-229,152,830.25

Finding the Fourth Proportional to 561,353,287.87, 841,368,672.30 and 229,152,830.25

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Solution

The fourth proportional to 561,353,287.87, 841,368,672.30 and 229,152,830.25 is: 343,459,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,353,287.87 : 841,368,672.30 = 229,152,830.25 : x
  2. Step 2: Convert to fraction form
    561,353,287.87/841,368,672.30 = 229,152,830.25/x
  3. Step 3: Cross multiply
    561,353,287.87x = 841,368,672.30 × 229,152,830.25
  4. Step 4: Simplify right side
    561,353,287.87x = 192,802,012,541,229,760
  5. Step 5: Solve for x
    x = 192,802,012,541,229,760/561,353,287.87
  6. Step 6: Final answer
    x = 343,459,309.33

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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.