Home / 18,911,366,809.70-28,367,050,214.55-11,074,950,400.10

Finding the Fourth Proportional to 18,911,366,809.70, 28,367,050,214.55 and 11,074,950,400.10

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Solution

The fourth proportional to 18,911,366,809.70, 28,367,050,214.55 and 11,074,950,400.10 is: 16,612,425,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,366,809.70 : 28,367,050,214.55 = 11,074,950,400.10 : x
  2. Step 2: Convert to fraction form
    18,911,366,809.70/28,367,050,214.55 = 11,074,950,400.10/x
  3. Step 3: Cross multiply
    18,911,366,809.70x = 28,367,050,214.55 × 11,074,950,400.10
  4. Step 4: Simplify right side
    18,911,366,809.70x = 314,163,674,123,287,330,816
  5. Step 5: Solve for x
    x = 314,163,674,123,287,330,816/18,911,366,809.70
  6. Step 6: Final answer
    x = 16,612,425,600.15

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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.