Home / 524,455,575.20-786,683,362.80-252,357,783.20

Finding the Fourth Proportional to 524,455,575.20, 786,683,362.80 and 252,357,783.20

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Solution

The fourth proportional to 524,455,575.20, 786,683,362.80 and 252,357,783.20 is: 378,536,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,455,575.20 : 786,683,362.80 = 252,357,783.20 : x
  2. Step 2: Convert to fraction form
    524,455,575.20/786,683,362.80 = 252,357,783.20/x
  3. Step 3: Cross multiply
    524,455,575.20x = 786,683,362.80 × 252,357,783.20
  4. Step 4: Simplify right side
    524,455,575.20x = 198,525,669,516,529,312
  5. Step 5: Solve for x
    x = 198,525,669,516,529,312/524,455,575.20
  6. Step 6: Final answer
    x = 378,536,674.80

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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.