Home / 820,998,602.56-1,132,548,527.52-507,632,645.44

Finding the Fourth Proportional to 820,998,602.56, 1,132,548,527.52 and 507,632,645.44

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Solution

The fourth proportional to 820,998,602.56, 1,132,548,527.52 and 507,632,645.44 is: 700,267,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,998,602.56 : 1,132,548,527.52 = 507,632,645.44 : x
  2. Step 2: Convert to fraction form
    820,998,602.56/1,132,548,527.52 = 507,632,645.44/x
  3. Step 3: Cross multiply
    820,998,602.56x = 1,132,548,527.52 × 507,632,645.44
  4. Step 4: Simplify right side
    820,998,602.56x = 574,918,605,114,154,240
  5. Step 5: Solve for x
    x = 574,918,605,114,154,240/820,998,602.56
  6. Step 6: Final answer
    x = 700,267,458.83

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1.5x scale

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.