Home / 13,413,585,608.45-18,510,209,210.00-7,309,808,554.11

Finding the Fourth Proportional to 13,413,585,608.45, 18,510,209,210.00 and 7,309,808,554.11

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Solution

The fourth proportional to 13,413,585,608.45, 18,510,209,210.00 and 7,309,808,554.11 is: 10,087,242,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,585,608.45 : 18,510,209,210.00 = 7,309,808,554.11 : x
  2. Step 2: Convert to fraction form
    13,413,585,608.45/18,510,209,210.00 = 7,309,808,554.11/x
  3. Step 3: Cross multiply
    13,413,585,608.45x = 18,510,209,210.00 × 7,309,808,554.11
  4. Step 4: Simplify right side
    13,413,585,608.45x = 135,306,085,621,587,148,800
  5. Step 5: Solve for x
    x = 135,306,085,621,587,148,800/13,413,585,608.45
  6. Step 6: Final answer
    x = 10,087,242,111.94

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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.