Home / 528,142,571.30-792,209,920.35-159,676,811.30

Finding the Fourth Proportional to 528,142,571.30, 792,209,920.35 and 159,676,811.30

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Solution

The fourth proportional to 528,142,571.30, 792,209,920.35 and 159,676,811.30 is: 239,514,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,142,571.30 : 792,209,920.35 = 159,676,811.30 : x
  2. Step 2: Convert to fraction form
    528,142,571.30/792,209,920.35 = 159,676,811.30/x
  3. Step 3: Cross multiply
    528,142,571.30x = 792,209,920.35 × 159,676,811.30
  4. Step 4: Simplify right side
    528,142,571.30x = 126,497,553,961,714,992
  5. Step 5: Solve for x
    x = 126,497,553,961,714,992/528,142,571.30
  6. Step 6: Final answer
    x = 239,514,026.77

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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.