Home / 745,190,499,471.54-1,028,362,891,251.30-402,634,362,451.89

Finding the Fourth Proportional to 745,190,499,471.54, 1,028,362,891,251.30 and 402,634,362,451.89

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Solution

The fourth proportional to 745,190,499,471.54, 1,028,362,891,251.30 and 402,634,362,451.89 is: 555,635,421,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,190,499,471.54 : 1,028,362,891,251.30 = 402,634,362,451.89 : x
  2. Step 2: Convert to fraction form
    745,190,499,471.54/1,028,362,891,251.30 = 402,634,362,451.89/x
  3. Step 3: Cross multiply
    745,190,499,471.54x = 1,028,362,891,251.30 × 402,634,362,451.89
  4. Step 4: Simplify right side
    745,190,499,471.54x = 414,054,237,088,149,479,096,320
  5. Step 5: Solve for x
    x = 414,054,237,088,149,479,096,320/745,190,499,471.54
  6. Step 6: Final answer
    x = 555,635,421,253.73

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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.