Home / 1,535,274,145.80-2,302,911,218.70-1,280,182,465.80

Finding the Fourth Proportional to 1,535,274,145.80, 2,302,911,218.70 and 1,280,182,465.80

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Solution

The fourth proportional to 1,535,274,145.80, 2,302,911,218.70 and 1,280,182,465.80 is: 1,920,273,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,274,145.80 : 2,302,911,218.70 = 1,280,182,465.80 : x
  2. Step 2: Convert to fraction form
    1,535,274,145.80/2,302,911,218.70 = 1,280,182,465.80/x
  3. Step 3: Cross multiply
    1,535,274,145.80x = 2,302,911,218.70 × 1,280,182,465.80
  4. Step 4: Simplify right side
    1,535,274,145.80x = 2,948,146,562,473,848,832
  5. Step 5: Solve for x
    x = 2,948,146,562,473,848,832/1,535,274,145.80
  6. Step 6: Final answer
    x = 1,920,273,698.70

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Double scale
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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.