Home / 930,835,443.80-1,396,253,165.70-655,336,429.40

Finding the Fourth Proportional to 930,835,443.80, 1,396,253,165.70 and 655,336,429.40

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Solution

The fourth proportional to 930,835,443.80, 1,396,253,165.70 and 655,336,429.40 is: 983,004,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,835,443.80 : 1,396,253,165.70 = 655,336,429.40 : x
  2. Step 2: Convert to fraction form
    930,835,443.80/1,396,253,165.70 = 655,336,429.40/x
  3. Step 3: Cross multiply
    930,835,443.80x = 1,396,253,165.70 × 655,336,429.40
  4. Step 4: Simplify right side
    930,835,443.80x = 915,015,564,148,284,544
  5. Step 5: Solve for x
    x = 915,015,564,148,284,544/930,835,443.80
  6. Step 6: Final answer
    x = 983,004,644.10

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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.