Home / 358,725,373.05-538,088,059.58-328,114,371.45

Finding the Fourth Proportional to 358,725,373.05, 538,088,059.58 and 328,114,371.45

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Solution

The fourth proportional to 358,725,373.05, 538,088,059.58 and 328,114,371.45 is: 492,171,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,725,373.05 : 538,088,059.58 = 328,114,371.45 : x
  2. Step 2: Convert to fraction form
    358,725,373.05/538,088,059.58 = 328,114,371.45/x
  3. Step 3: Cross multiply
    358,725,373.05x = 538,088,059.58 × 328,114,371.45
  4. Step 4: Simplify right side
    358,725,373.05x = 176,554,425,452,201,280
  5. Step 5: Solve for x
    x = 176,554,425,452,201,280/358,725,373.05
  6. Step 6: Final answer
    x = 492,171,557.18

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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.