Home / 13,270,119,637.61-18,312,764,399.54-7,166,471,608.92

Finding the Fourth Proportional to 13,270,119,637.61, 18,312,764,399.54 and 7,166,471,608.92

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Solution

The fourth proportional to 13,270,119,637.61, 18,312,764,399.54 and 7,166,471,608.92 is: 9,889,730,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,119,637.61 : 18,312,764,399.54 = 7,166,471,608.92 : x
  2. Step 2: Convert to fraction form
    13,270,119,637.61/18,312,764,399.54 = 7,166,471,608.92/x
  3. Step 3: Cross multiply
    13,270,119,637.61x = 18,312,764,399.54 × 7,166,471,608.92
  4. Step 4: Simplify right side
    13,270,119,637.61x = 131,237,906,150,144,327,680
  5. Step 5: Solve for x
    x = 131,237,906,150,144,327,680/13,270,119,637.61
  6. Step 6: Final answer
    x = 9,889,730,442.08

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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.