Home / 1,177,430,003.76-1,624,888,065.12-648,828,040.56

Finding the Fourth Proportional to 1,177,430,003.76, 1,624,888,065.12 and 648,828,040.56

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Solution

The fourth proportional to 1,177,430,003.76, 1,624,888,065.12 and 648,828,040.56 is: 895,401,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,430,003.76 : 1,624,888,065.12 = 648,828,040.56 : x
  2. Step 2: Convert to fraction form
    1,177,430,003.76/1,624,888,065.12 = 648,828,040.56/x
  3. Step 3: Cross multiply
    1,177,430,003.76x = 1,624,888,065.12 × 648,828,040.56
  4. Step 4: Simplify right side
    1,177,430,003.76x = 1,054,272,939,421,139,072
  5. Step 5: Solve for x
    x = 1,054,272,939,421,139,072/1,177,430,003.76
  6. Step 6: Final answer
    x = 895,401,795.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.