Home / 472,392,582.30-708,588,873.45-407,769,356.70

Finding the Fourth Proportional to 472,392,582.30, 708,588,873.45 and 407,769,356.70

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Solution

The fourth proportional to 472,392,582.30, 708,588,873.45 and 407,769,356.70 is: 611,654,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,582.30 : 708,588,873.45 = 407,769,356.70 : x
  2. Step 2: Convert to fraction form
    472,392,582.30/708,588,873.45 = 407,769,356.70/x
  3. Step 3: Cross multiply
    472,392,582.30x = 708,588,873.45 × 407,769,356.70
  4. Step 4: Simplify right side
    472,392,582.30x = 288,940,829,091,484,224
  5. Step 5: Solve for x
    x = 288,940,829,091,484,224/472,392,582.30
  6. Step 6: Final answer
    x = 611,654,035.05

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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.