Home / 402,541,602.69-603,712,676.83-172,484,599.17

Finding the Fourth Proportional to 402,541,602.69, 603,712,676.83 and 172,484,599.17

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Solution

The fourth proportional to 402,541,602.69, 603,712,676.83 and 172,484,599.17 is: 258,684,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,541,602.69 : 603,712,676.83 = 172,484,599.17 : x
  2. Step 2: Convert to fraction form
    402,541,602.69/603,712,676.83 = 172,484,599.17/x
  3. Step 3: Cross multiply
    402,541,602.69x = 603,712,676.83 × 172,484,599.17
  4. Step 4: Simplify right side
    402,541,602.69x = 104,131,139,076,870,288
  5. Step 5: Solve for x
    x = 104,131,139,076,870,288/402,541,602.69
  6. Step 6: Final answer
    x = 258,684,166.76

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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.