Home / 385,900,223.30-578,725,938.36-127,053,814.22

Finding the Fourth Proportional to 385,900,223.30, 578,725,938.36 and 127,053,814.22

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Solution

The fourth proportional to 385,900,223.30, 578,725,938.36 and 127,053,814.22 is: 190,539,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,900,223.30 : 578,725,938.36 = 127,053,814.22 : x
  2. Step 2: Convert to fraction form
    385,900,223.30/578,725,938.36 = 127,053,814.22/x
  3. Step 3: Cross multiply
    385,900,223.30x = 578,725,938.36 × 127,053,814.22
  4. Step 4: Simplify right side
    385,900,223.30x = 73,529,337,856,686,608
  5. Step 5: Solve for x
    x = 73,529,337,856,686,608/385,900,223.30
  6. Step 6: Final answer
    x = 190,539,764.99

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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.