Home / 1,838,606,781.40-2,757,910,172.10-611,899,235.80

Finding the Fourth Proportional to 1,838,606,781.40, 2,757,910,172.10 and 611,899,235.80

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Solution

The fourth proportional to 1,838,606,781.40, 2,757,910,172.10 and 611,899,235.80 is: 917,848,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,606,781.40 : 2,757,910,172.10 = 611,899,235.80 : x
  2. Step 2: Convert to fraction form
    1,838,606,781.40/2,757,910,172.10 = 611,899,235.80/x
  3. Step 3: Cross multiply
    1,838,606,781.40x = 2,757,910,172.10 × 611,899,235.80
  4. Step 4: Simplify right side
    1,838,606,781.40x = 1,687,563,126,713,036,288
  5. Step 5: Solve for x
    x = 1,687,563,126,713,036,288/1,838,606,781.40
  6. Step 6: Final answer
    x = 917,848,853.70

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1.5x scale

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.