Home / 20,162,564,953.80-30,243,847,430.70-17,405,307,328.20

Finding the Fourth Proportional to 20,162,564,953.80, 30,243,847,430.70 and 17,405,307,328.20

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Solution

The fourth proportional to 20,162,564,953.80, 30,243,847,430.70 and 17,405,307,328.20 is: 26,107,960,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,564,953.80 : 30,243,847,430.70 = 17,405,307,328.20 : x
  2. Step 2: Convert to fraction form
    20,162,564,953.80/30,243,847,430.70 = 17,405,307,328.20/x
  3. Step 3: Cross multiply
    20,162,564,953.80x = 30,243,847,430.70 × 17,405,307,328.20
  4. Step 4: Simplify right side
    20,162,564,953.80x = 526,403,459,318,525,460,480
  5. Step 5: Solve for x
    x = 526,403,459,318,525,460,480/20,162,564,953.80
  6. Step 6: Final answer
    x = 26,107,960,992.30

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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.