Home / 18,152,968,908.24-25,051,098,140.28-9,808,636,620.24

Finding the Fourth Proportional to 18,152,968,908.24, 25,051,098,140.28 and 9,808,636,620.24

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Solution

The fourth proportional to 18,152,968,908.24, 25,051,098,140.28 and 9,808,636,620.24 is: 13,535,919,101.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,968,908.24 : 25,051,098,140.28 = 9,808,636,620.24 : x
  2. Step 2: Convert to fraction form
    18,152,968,908.24/25,051,098,140.28 = 9,808,636,620.24/x
  3. Step 3: Cross multiply
    18,152,968,908.24x = 25,051,098,140.28 × 9,808,636,620.24
  4. Step 4: Simplify right side
    18,152,968,908.24x = 245,717,118,595,976,560,640
  5. Step 5: Solve for x
    x = 245,717,118,595,976,560,640/18,152,968,908.24
  6. Step 6: Final answer
    x = 13,535,919,101.61

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Double scale
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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.