Home / 375,628,703.05-563,443,072.10-257,336,818.20

Finding the Fourth Proportional to 375,628,703.05, 563,443,072.10 and 257,336,818.20

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Solution

The fourth proportional to 375,628,703.05, 563,443,072.10 and 257,336,818.20 is: 386,005,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,628,703.05 : 563,443,072.10 = 257,336,818.20 : x
  2. Step 2: Convert to fraction form
    375,628,703.05/563,443,072.10 = 257,336,818.20/x
  3. Step 3: Cross multiply
    375,628,703.05x = 563,443,072.10 × 257,336,818.20
  4. Step 4: Simplify right side
    375,628,703.05x = 144,994,647,411,610,592
  5. Step 5: Solve for x
    x = 144,994,647,411,610,592/375,628,703.05
  6. Step 6: Final answer
    x = 386,005,239.31

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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.