Home / 472,392,003.40-708,588,005.10-333,319,798.60

Finding the Fourth Proportional to 472,392,003.40, 708,588,005.10 and 333,319,798.60

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Solution

The fourth proportional to 472,392,003.40, 708,588,005.10 and 333,319,798.60 is: 499,979,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,003.40 : 708,588,005.10 = 333,319,798.60 : x
  2. Step 2: Convert to fraction form
    472,392,003.40/708,588,005.10 = 333,319,798.60/x
  3. Step 3: Cross multiply
    472,392,003.40x = 708,588,005.10 × 333,319,798.60
  4. Step 4: Simplify right side
    472,392,003.40x = 236,186,411,150,307,808
  5. Step 5: Solve for x
    x = 236,186,411,150,307,808/472,392,003.40
  6. Step 6: Final answer
    x = 499,979,697.90

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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.