Home / 653,201,999.20-979,802,998.80-168,527,807.20

Finding the Fourth Proportional to 653,201,999.20, 979,802,998.80 and 168,527,807.20

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Solution

The fourth proportional to 653,201,999.20, 979,802,998.80 and 168,527,807.20 is: 252,791,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,201,999.20 : 979,802,998.80 = 168,527,807.20 : x
  2. Step 2: Convert to fraction form
    653,201,999.20/979,802,998.80 = 168,527,807.20/x
  3. Step 3: Cross multiply
    653,201,999.20x = 979,802,998.80 × 168,527,807.20
  4. Step 4: Simplify right side
    653,201,999.20x = 165,124,050,875,748,224
  5. Step 5: Solve for x
    x = 165,124,050,875,748,224/653,201,999.20
  6. Step 6: Final answer
    x = 252,791,710.80

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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.