Home / 470,439,846.59-649,207,526.52-261,591,505.19

Finding the Fourth Proportional to 470,439,846.59, 649,207,526.52 and 261,591,505.19

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Solution

The fourth proportional to 470,439,846.59, 649,207,526.52 and 261,591,505.19 is: 360,996,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,439,846.59 : 649,207,526.52 = 261,591,505.19 : x
  2. Step 2: Convert to fraction form
    470,439,846.59/649,207,526.52 = 261,591,505.19/x
  3. Step 3: Cross multiply
    470,439,846.59x = 649,207,526.52 × 261,591,505.19
  4. Step 4: Simplify right side
    470,439,846.59x = 169,827,174,043,043,648
  5. Step 5: Solve for x
    x = 169,827,174,043,043,648/470,439,846.59
  6. Step 6: Final answer
    x = 360,996,576.45

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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.