Home / 13,214,255,677-18,236,154,017.94-7,192,470,237.40

Finding the Fourth Proportional to 13,214,255,677, 18,236,154,017.94 and 7,192,470,237.40

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Solution

The fourth proportional to 13,214,255,677, 18,236,154,017.94 and 7,192,470,237.40 is: 9,925,870,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,255,677 : 18,236,154,017.94 = 7,192,470,237.40 : x
  2. Step 2: Convert to fraction form
    13,214,255,677/18,236,154,017.94 = 7,192,470,237.40/x
  3. Step 3: Cross multiply
    13,214,255,677x = 18,236,154,017.94 × 7,192,470,237.40
  4. Step 4: Simplify right side
    13,214,255,677x = 131,162,995,018,675,863,552
  5. Step 5: Solve for x
    x = 131,162,995,018,675,863,552/13,214,255,677
  6. Step 6: Final answer
    x = 9,925,870,834.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.