Home / 79,210,554,979.80-118,775,017,800.90-29,498,288,381.40

Finding the Fourth Proportional to 79,210,554,979.80, 118,775,017,800.90 and 29,498,288,381.40

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Solution

The fourth proportional to 79,210,554,979.80, 118,775,017,800.90 and 29,498,288,381.40 is: 44,232,233,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210,554,979.80 : 118,775,017,800.90 = 29,498,288,381.40 : x
  2. Step 2: Convert to fraction form
    79,210,554,979.80/118,775,017,800.90 = 29,498,288,381.40/x
  3. Step 3: Cross multiply
    79,210,554,979.80x = 118,775,017,800.90 × 29,498,288,381.40
  4. Step 4: Simplify right side
    79,210,554,979.80x = 3,503,659,727,596,866,764,800
  5. Step 5: Solve for x
    x = 3,503,659,727,596,866,764,800/79,210,554,979.80
  6. Step 6: Final answer
    x = 44,232,233,046.35

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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.