Home / 550,777,579.30-760,065,929.80-299,879,093.43

Finding the Fourth Proportional to 550,777,579.30, 760,065,929.80 and 299,879,093.43

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Solution

The fourth proportional to 550,777,579.30, 760,065,929.80 and 299,879,093.43 is: 413,829,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,777,579.30 : 760,065,929.80 = 299,879,093.43 : x
  2. Step 2: Convert to fraction form
    550,777,579.30/760,065,929.80 = 299,879,093.43/x
  3. Step 3: Cross multiply
    550,777,579.30x = 760,065,929.80 × 299,879,093.43
  4. Step 4: Simplify right side
    550,777,579.30x = 227,927,881,974,704,320
  5. Step 5: Solve for x
    x = 227,927,881,974,704,320/550,777,579.30
  6. Step 6: Final answer
    x = 413,829,267.10

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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.