Home / 890,156,347.77-1,228,253,334.06-513,675,589.98

Finding the Fourth Proportional to 890,156,347.77, 1,228,253,334.06 and 513,675,589.98

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Solution

The fourth proportional to 890,156,347.77, 1,228,253,334.06 and 513,675,589.98 is: 708,778,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,156,347.77 : 1,228,253,334.06 = 513,675,589.98 : x
  2. Step 2: Convert to fraction form
    890,156,347.77/1,228,253,334.06 = 513,675,589.98/x
  3. Step 3: Cross multiply
    890,156,347.77x = 1,228,253,334.06 × 513,675,589.98
  4. Step 4: Simplify right side
    890,156,347.77x = 630,923,756,018,172,544
  5. Step 5: Solve for x
    x = 630,923,756,018,172,544/890,156,347.77
  6. Step 6: Final answer
    x = 708,778,584.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.