Home / 1,875,982,853.88-2,813,153,135.22-769,828,813.56

Finding the Fourth Proportional to 1,875,982,853.88, 2,813,153,135.22 and 769,828,813.56

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Solution

The fourth proportional to 1,875,982,853.88, 2,813,153,135.22 and 769,828,813.56 is: 1,154,406,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,982,853.88 : 2,813,153,135.22 = 769,828,813.56 : x
  2. Step 2: Convert to fraction form
    1,875,982,853.88/2,813,153,135.22 = 769,828,813.56/x
  3. Step 3: Cross multiply
    1,875,982,853.88x = 2,813,153,135.22 × 769,828,813.56
  4. Step 4: Simplify right side
    1,875,982,853.88x = 2,165,646,340,449,006,592
  5. Step 5: Solve for x
    x = 2,165,646,340,449,006,592/1,875,982,853.88
  6. Step 6: Final answer
    x = 1,154,406,254.82

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Double scale
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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.