Home / 532,848,020.40-799,272,030.60-509,889,769.20

Finding the Fourth Proportional to 532,848,020.40, 799,272,030.60 and 509,889,769.20

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Solution

The fourth proportional to 532,848,020.40, 799,272,030.60 and 509,889,769.20 is: 764,834,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,848,020.40 : 799,272,030.60 = 509,889,769.20 : x
  2. Step 2: Convert to fraction form
    532,848,020.40/799,272,030.60 = 509,889,769.20/x
  3. Step 3: Cross multiply
    532,848,020.40x = 799,272,030.60 × 509,889,769.20
  4. Step 4: Simplify right side
    532,848,020.40x = 407,540,631,210,649,344
  5. Step 5: Solve for x
    x = 407,540,631,210,649,344/532,848,020.40
  6. Step 6: Final answer
    x = 764,834,653.80

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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.