Home / 528,118,900.80-792,174,414.60-159,653,140.80

Finding the Fourth Proportional to 528,118,900.80, 792,174,414.60 and 159,653,140.80

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Solution

The fourth proportional to 528,118,900.80, 792,174,414.60 and 159,653,140.80 is: 239,478,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,118,900.80 : 792,174,414.60 = 159,653,140.80 : x
  2. Step 2: Convert to fraction form
    528,118,900.80/792,174,414.60 = 159,653,140.80/x
  3. Step 3: Cross multiply
    528,118,900.80x = 792,174,414.60 × 159,653,140.80
  4. Step 4: Simplify right side
    528,118,900.80x = 126,473,133,352,291,392
  5. Step 5: Solve for x
    x = 126,473,133,352,291,392/528,118,900.80
  6. Step 6: Final answer
    x = 239,478,521.14

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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.