Home / 472,392,007.80-708,588,011.70-334,642,500.60

Finding the Fourth Proportional to 472,392,007.80, 708,588,011.70 and 334,642,500.60

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Solution

The fourth proportional to 472,392,007.80, 708,588,011.70 and 334,642,500.60 is: 501,963,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,007.80 : 708,588,011.70 = 334,642,500.60 : x
  2. Step 2: Convert to fraction form
    472,392,007.80/708,588,011.70 = 334,642,500.60/x
  3. Step 3: Cross multiply
    472,392,007.80x = 708,588,011.70 × 334,642,500.60
  4. Step 4: Simplify right side
    472,392,007.80x = 237,123,664,130,470,080
  5. Step 5: Solve for x
    x = 237,123,664,130,470,080/472,392,007.80
  6. Step 6: Final answer
    x = 501,963,750.90

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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.