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Finding the Fourth Proportional to 556,864,709.17, 834,777,782.87 and 188,141,798.87

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Solution

The fourth proportional to 556,864,709.17, 834,777,782.87 and 188,141,798.87 is: 282,037,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,864,709.17 : 834,777,782.87 = 188,141,798.87 : x
  2. Step 2: Convert to fraction form
    556,864,709.17/834,777,782.87 = 188,141,798.87/x
  3. Step 3: Cross multiply
    556,864,709.17x = 834,777,782.87 × 188,141,798.87
  4. Step 4: Simplify right side
    556,864,709.17x = 157,056,593,725,872,064
  5. Step 5: Solve for x
    x = 157,056,593,725,872,064/556,864,709.17
  6. Step 6: Final answer
    x = 282,037,254.54

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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.