Home / 375,628,703.61-563,443,072.95-257,336,818.76

Finding the Fourth Proportional to 375,628,703.61, 563,443,072.95 and 257,336,818.76

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Solution

The fourth proportional to 375,628,703.61, 563,443,072.95 and 257,336,818.76 is: 386,005,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,628,703.61 : 563,443,072.95 = 257,336,818.76 : x
  2. Step 2: Convert to fraction form
    375,628,703.61/563,443,072.95 = 257,336,818.76/x
  3. Step 3: Cross multiply
    375,628,703.61x = 563,443,072.95 × 257,336,818.76
  4. Step 4: Simplify right side
    375,628,703.61x = 144,994,647,946,239,008
  5. Step 5: Solve for x
    x = 144,994,647,946,239,008/375,628,703.61
  6. Step 6: Final answer
    x = 386,005,240.15

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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.