Home / 528,143,112.80-792,210,732.60-159,677,352.80

Finding the Fourth Proportional to 528,143,112.80, 792,210,732.60 and 159,677,352.80

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Solution

The fourth proportional to 528,143,112.80, 792,210,732.60 and 159,677,352.80 is: 239,514,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,143,112.80 : 792,210,732.60 = 159,677,352.80 : x
  2. Step 2: Convert to fraction form
    528,143,112.80/792,210,732.60 = 159,677,352.80/x
  3. Step 3: Cross multiply
    528,143,112.80x = 792,210,732.60 × 159,677,352.80
  4. Step 4: Simplify right side
    528,143,112.80x = 126,498,112,641,316,672
  5. Step 5: Solve for x
    x = 126,498,112,641,316,672/528,143,112.80
  6. Step 6: Final answer
    x = 239,514,839.02

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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.