Home / 379,827,068.37-569,729,973.74-121,057,816.65

Finding the Fourth Proportional to 379,827,068.37, 569,729,973.74 and 121,057,816.65

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Solution

The fourth proportional to 379,827,068.37, 569,729,973.74 and 121,057,816.65 is: 181,583,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,827,068.37 : 569,729,973.74 = 121,057,816.65 : x
  2. Step 2: Convert to fraction form
    379,827,068.37/569,729,973.74 = 121,057,816.65/x
  3. Step 3: Cross multiply
    379,827,068.37x = 569,729,973.74 × 121,057,816.65
  4. Step 4: Simplify right side
    379,827,068.37x = 68,970,266,700,420,952
  5. Step 5: Solve for x
    x = 68,970,266,700,420,952/379,827,068.37
  6. Step 6: Final answer
    x = 181,583,337.38

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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.