Home / 806,118,495.29-1,208,615,555.95-357,177,709.54

Finding the Fourth Proportional to 806,118,495.29, 1,208,615,555.95 and 357,177,709.54

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Solution

The fourth proportional to 806,118,495.29, 1,208,615,555.95 and 357,177,709.54 is: 535,517,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,118,495.29 : 1,208,615,555.95 = 357,177,709.54 : x
  2. Step 2: Convert to fraction form
    806,118,495.29/1,208,615,555.95 = 357,177,709.54/x
  3. Step 3: Cross multiply
    806,118,495.29x = 1,208,615,555.95 × 357,177,709.54
  4. Step 4: Simplify right side
    806,118,495.29x = 431,690,535,986,077,504
  5. Step 5: Solve for x
    x = 431,690,535,986,077,504/806,118,495.29
  6. Step 6: Final answer
    x = 535,517,468.60

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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.