Home / 540,307,288,297.45-810,432,388,510.80-177,225,127,031.18

Finding the Fourth Proportional to 540,307,288,297.45, 810,432,388,510.80 and 177,225,127,031.18

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Solution

The fourth proportional to 540,307,288,297.45, 810,432,388,510.80 and 177,225,127,031.18 is: 265,828,327,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,307,288,297.45 : 810,432,388,510.80 = 177,225,127,031.18 : x
  2. Step 2: Convert to fraction form
    540,307,288,297.45/810,432,388,510.80 = 177,225,127,031.18/x
  3. Step 3: Cross multiply
    540,307,288,297.45x = 810,432,388,510.80 × 177,225,127,031.18
  4. Step 4: Simplify right side
    540,307,288,297.45x = 143,628,983,004,009,152,380,928
  5. Step 5: Solve for x
    x = 143,628,983,004,009,152,380,928/540,307,288,297.45
  6. Step 6: Final answer
    x = 265,828,327,906.88

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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.