Home / 1,077,064,698.28-1,615,596,989.10-259,177,086.76

Finding the Fourth Proportional to 1,077,064,698.28, 1,615,596,989.10 and 259,177,086.76

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Solution

The fourth proportional to 1,077,064,698.28, 1,615,596,989.10 and 259,177,086.76 is: 388,765,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,064,698.28 : 1,615,596,989.10 = 259,177,086.76 : x
  2. Step 2: Convert to fraction form
    1,077,064,698.28/1,615,596,989.10 = 259,177,086.76/x
  3. Step 3: Cross multiply
    1,077,064,698.28x = 1,615,596,989.10 × 259,177,086.76
  4. Step 4: Simplify right side
    1,077,064,698.28x = 418,725,721,013,165,440
  5. Step 5: Solve for x
    x = 418,725,721,013,165,440/1,077,064,698.28
  6. Step 6: Final answer
    x = 388,765,616.11

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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.