Home / 358,725,363.80-538,088,045.70-328,114,362.20

Finding the Fourth Proportional to 358,725,363.80, 538,088,045.70 and 328,114,362.20

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Solution

The fourth proportional to 358,725,363.80, 538,088,045.70 and 328,114,362.20 is: 492,171,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,725,363.80 : 538,088,045.70 = 328,114,362.20 : x
  2. Step 2: Convert to fraction form
    358,725,363.80/538,088,045.70 = 328,114,362.20/x
  3. Step 3: Cross multiply
    358,725,363.80x = 538,088,045.70 × 328,114,362.20
  4. Step 4: Simplify right side
    358,725,363.80x = 176,554,415,922,299,968
  5. Step 5: Solve for x
    x = 176,554,415,922,299,968/358,725,363.80
  6. Step 6: Final answer
    x = 492,171,543.30

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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.