Home / 743,251,018.65-1,114,876,527.98-258,576,826.65

Finding the Fourth Proportional to 743,251,018.65, 1,114,876,527.98 and 258,576,826.65

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Solution

The fourth proportional to 743,251,018.65, 1,114,876,527.98 and 258,576,826.65 is: 387,865,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,251,018.65 : 1,114,876,527.98 = 258,576,826.65 : x
  2. Step 2: Convert to fraction form
    743,251,018.65/1,114,876,527.98 = 258,576,826.65/x
  3. Step 3: Cross multiply
    743,251,018.65x = 1,114,876,527.98 × 258,576,826.65
  4. Step 4: Simplify right side
    743,251,018.65x = 288,281,234,710,345,408
  5. Step 5: Solve for x
    x = 288,281,234,710,345,408/743,251,018.65
  6. Step 6: Final answer
    x = 387,865,239.98

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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.