Home / 18,911,366,806.70-28,367,050,210.05-11,074,950,397.10

Finding the Fourth Proportional to 18,911,366,806.70, 28,367,050,210.05 and 11,074,950,397.10

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Solution

The fourth proportional to 18,911,366,806.70, 28,367,050,210.05 and 11,074,950,397.10 is: 16,612,425,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,366,806.70 : 28,367,050,210.05 = 11,074,950,397.10 : x
  2. Step 2: Convert to fraction form
    18,911,366,806.70/28,367,050,210.05 = 11,074,950,397.10/x
  3. Step 3: Cross multiply
    18,911,366,806.70x = 28,367,050,210.05 × 11,074,950,397.10
  4. Step 4: Simplify right side
    18,911,366,806.70x = 314,163,673,988,348,903,424
  5. Step 5: Solve for x
    x = 314,163,673,988,348,903,424/18,911,366,806.70
  6. Step 6: Final answer
    x = 16,612,425,595.65

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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.