Home / 1,077,064,699.28-1,615,596,990.60-259,177,087.76

Finding the Fourth Proportional to 1,077,064,699.28, 1,615,596,990.60 and 259,177,087.76

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Solution

The fourth proportional to 1,077,064,699.28, 1,615,596,990.60 and 259,177,087.76 is: 388,765,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,064,699.28 : 1,615,596,990.60 = 259,177,087.76 : x
  2. Step 2: Convert to fraction form
    1,077,064,699.28/1,615,596,990.60 = 259,177,087.76/x
  3. Step 3: Cross multiply
    1,077,064,699.28x = 1,615,596,990.60 × 259,177,087.76
  4. Step 4: Simplify right side
    1,077,064,699.28x = 418,725,723,017,528,064
  5. Step 5: Solve for x
    x = 418,725,723,017,528,064/1,077,064,699.28
  6. Step 6: Final answer
    x = 388,765,617.61

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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.