Home / 502,014,663.35-753,021,995.03-355,655,811.95

Finding the Fourth Proportional to 502,014,663.35, 753,021,995.03 and 355,655,811.95

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Solution

The fourth proportional to 502,014,663.35, 753,021,995.03 and 355,655,811.95 is: 533,483,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,014,663.35 : 753,021,995.03 = 355,655,811.95 : x
  2. Step 2: Convert to fraction form
    502,014,663.35/753,021,995.03 = 355,655,811.95/x
  3. Step 3: Cross multiply
    502,014,663.35x = 753,021,995.03 × 355,655,811.95
  4. Step 4: Simplify right side
    502,014,663.35x = 267,816,649,056,825,216
  5. Step 5: Solve for x
    x = 267,816,649,056,825,216/502,014,663.35
  6. Step 6: Final answer
    x = 533,483,717.93

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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.