Home / 882,537,292.80-1,217,811,337.20-543,391,912.80

Finding the Fourth Proportional to 882,537,292.80, 1,217,811,337.20 and 543,391,912.80

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Solution

The fourth proportional to 882,537,292.80, 1,217,811,337.20 and 543,391,912.80 is: 749,825,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,537,292.80 : 1,217,811,337.20 = 543,391,912.80 : x
  2. Step 2: Convert to fraction form
    882,537,292.80/1,217,811,337.20 = 543,391,912.80/x
  3. Step 3: Cross multiply
    882,537,292.80x = 1,217,811,337.20 × 543,391,912.80
  4. Step 4: Simplify right side
    882,537,292.80x = 661,748,831,950,633,728
  5. Step 5: Solve for x
    x = 661,748,831,950,633,728/882,537,292.80
  6. Step 6: Final answer
    x = 749,825,347.15

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1.5x scale

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.