Home / 529,244,821.28-730,358,458.87-294,290,437.22

Finding the Fourth Proportional to 529,244,821.28, 730,358,458.87 and 294,290,437.22

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Solution

The fourth proportional to 529,244,821.28, 730,358,458.87 and 294,290,437.22 is: 406,121,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,244,821.28 : 730,358,458.87 = 294,290,437.22 : x
  2. Step 2: Convert to fraction form
    529,244,821.28/730,358,458.87 = 294,290,437.22/x
  3. Step 3: Cross multiply
    529,244,821.28x = 730,358,458.87 × 294,290,437.22
  4. Step 4: Simplify right side
    529,244,821.28x = 214,937,510,184,525,888
  5. Step 5: Solve for x
    x = 214,937,510,184,525,888/529,244,821.28
  6. Step 6: Final answer
    x = 406,121,140.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.