Home / 685,760,006.28-1,028,637,210.06-249,059,846.28

Finding the Fourth Proportional to 685,760,006.28, 1,028,637,210.06 and 249,059,846.28

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Solution

The fourth proportional to 685,760,006.28, 1,028,637,210.06 and 249,059,846.28 is: 373,588,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,760,006.28 : 1,028,637,210.06 = 249,059,846.28 : x
  2. Step 2: Convert to fraction form
    685,760,006.28/1,028,637,210.06 = 249,059,846.28/x
  3. Step 3: Cross multiply
    685,760,006.28x = 1,028,637,210.06 × 249,059,846.28
  4. Step 4: Simplify right side
    685,760,006.28x = 256,192,225,415,431,648
  5. Step 5: Solve for x
    x = 256,192,225,415,431,648/685,760,006.28
  6. Step 6: Final answer
    x = 373,588,752.73

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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.