Home / 358,725,368.30-538,088,052.45-328,114,366.70

Finding the Fourth Proportional to 358,725,368.30, 538,088,052.45 and 328,114,366.70

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Solution

The fourth proportional to 358,725,368.30, 538,088,052.45 and 328,114,366.70 is: 492,171,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,725,368.30 : 538,088,052.45 = 328,114,366.70 : x
  2. Step 2: Convert to fraction form
    358,725,368.30/538,088,052.45 = 328,114,366.70/x
  3. Step 3: Cross multiply
    358,725,368.30x = 538,088,052.45 × 328,114,366.70
  4. Step 4: Simplify right side
    358,725,368.30x = 176,554,420,558,468,128
  5. Step 5: Solve for x
    x = 176,554,420,558,468,128/358,725,368.30
  6. Step 6: Final answer
    x = 492,171,550.05

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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.