Home / 857,196,686.07-1,285,922,796.28-304,452,676.76

Finding the Fourth Proportional to 857,196,686.07, 1,285,922,796.28 and 304,452,676.76

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Solution

The fourth proportional to 857,196,686.07, 1,285,922,796.28 and 304,452,676.76 is: 456,724,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,196,686.07 : 1,285,922,796.28 = 304,452,676.76 : x
  2. Step 2: Convert to fraction form
    857,196,686.07/1,285,922,796.28 = 304,452,676.76/x
  3. Step 3: Cross multiply
    857,196,686.07x = 1,285,922,796.28 × 304,452,676.76
  4. Step 4: Simplify right side
    857,196,686.07x = 391,502,637,426,959,424
  5. Step 5: Solve for x
    x = 391,502,637,426,959,424/857,196,686.07
  6. Step 6: Final answer
    x = 456,724,394.52

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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.