Home / 806,118,498.66-1,208,615,561.01-357,177,712.92

Finding the Fourth Proportional to 806,118,498.66, 1,208,615,561.01 and 357,177,712.92

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Solution

The fourth proportional to 806,118,498.66, 1,208,615,561.01 and 357,177,712.92 is: 535,517,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,118,498.66 : 1,208,615,561.01 = 357,177,712.92 : x
  2. Step 2: Convert to fraction form
    806,118,498.66/1,208,615,561.01 = 357,177,712.92/x
  3. Step 3: Cross multiply
    806,118,498.66x = 1,208,615,561.01 × 357,177,712.92
  4. Step 4: Simplify right side
    806,118,498.66x = 431,690,541,881,074,560
  5. Step 5: Solve for x
    x = 431,690,541,881,074,560/806,118,498.66
  6. Step 6: Final answer
    x = 535,517,473.67

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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.