Home / 824,773,440.32-1,237,642,583.52-307,561,198.40

Finding the Fourth Proportional to 824,773,440.32, 1,237,642,583.52 and 307,561,198.40

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Solution

The fourth proportional to 824,773,440.32, 1,237,642,583.52 and 307,561,198.40 is: 461,521,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,773,440.32 : 1,237,642,583.52 = 307,561,198.40 : x
  2. Step 2: Convert to fraction form
    824,773,440.32/1,237,642,583.52 = 307,561,198.40/x
  3. Step 3: Cross multiply
    824,773,440.32x = 1,237,642,583.52 × 307,561,198.40
  4. Step 4: Simplify right side
    824,773,440.32x = 380,650,836,178,283,264
  5. Step 5: Solve for x
    x = 380,650,836,178,283,264/824,773,440.32
  6. Step 6: Final answer
    x = 461,521,695.01

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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.