Home / 1,113,295,889.76-1,536,615,901.92-637,262,208.72

Finding the Fourth Proportional to 1,113,295,889.76, 1,536,615,901.92 and 637,262,208.72

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Solution

The fourth proportional to 1,113,295,889.76, 1,536,615,901.92 and 637,262,208.72 is: 879,575,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,295,889.76 : 1,536,615,901.92 = 637,262,208.72 : x
  2. Step 2: Convert to fraction form
    1,113,295,889.76/1,536,615,901.92 = 637,262,208.72/x
  3. Step 3: Cross multiply
    1,113,295,889.76x = 1,536,615,901.92 × 637,262,208.72
  4. Step 4: Simplify right side
    1,113,295,889.76x = 979,227,243,611,814,144
  5. Step 5: Solve for x
    x = 979,227,243,611,814,144/1,113,295,889.76
  6. Step 6: Final answer
    x = 879,575,010.22

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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.