Home / 1,087,787,538.40-1,628,209,226.40-858,205,026.40

Finding the Fourth Proportional to 1,087,787,538.40, 1,628,209,226.40 and 858,205,026.40

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Solution

The fourth proportional to 1,087,787,538.40, 1,628,209,226.40 and 858,205,026.40 is: 1,284,568,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,787,538.40 : 1,628,209,226.40 = 858,205,026.40 : x
  2. Step 2: Convert to fraction form
    1,087,787,538.40/1,628,209,226.40 = 858,205,026.40/x
  3. Step 3: Cross multiply
    1,087,787,538.40x = 1,628,209,226.40 × 858,205,026.40
  4. Step 4: Simplify right side
    1,087,787,538.40x = 1,397,337,342,127,335,680
  5. Step 5: Solve for x
    x = 1,397,337,342,127,335,680/1,087,787,538.40
  6. Step 6: Final answer
    x = 1,284,568,256.94

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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.