Home / 724,682,800.56-1,088,660,551.20-429,771,350.08

Finding the Fourth Proportional to 724,682,800.56, 1,088,660,551.20 and 429,771,350.08

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Solution

The fourth proportional to 724,682,800.56, 1,088,660,551.20 and 429,771,350.08 is: 645,627,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,682,800.56 : 1,088,660,551.20 = 429,771,350.08 : x
  2. Step 2: Convert to fraction form
    724,682,800.56/1,088,660,551.20 = 429,771,350.08/x
  3. Step 3: Cross multiply
    724,682,800.56x = 1,088,660,551.20 × 429,771,350.08
  4. Step 4: Simplify right side
    724,682,800.56x = 467,875,114,867,788,608
  5. Step 5: Solve for x
    x = 467,875,114,867,788,608/724,682,800.56
  6. Step 6: Final answer
    x = 645,627,458.67

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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.