Home / 13,270,119,636.61-18,312,764,398.16-7,166,471,607.92

Finding the Fourth Proportional to 13,270,119,636.61, 18,312,764,398.16 and 7,166,471,607.92

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Solution

The fourth proportional to 13,270,119,636.61, 18,312,764,398.16 and 7,166,471,607.92 is: 9,889,730,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,119,636.61 : 18,312,764,398.16 = 7,166,471,607.92 : x
  2. Step 2: Convert to fraction form
    13,270,119,636.61/18,312,764,398.16 = 7,166,471,607.92/x
  3. Step 3: Cross multiply
    13,270,119,636.61x = 18,312,764,398.16 × 7,166,471,607.92
  4. Step 4: Simplify right side
    13,270,119,636.61x = 131,237,906,122,016,276,480
  5. Step 5: Solve for x
    x = 131,237,906,122,016,276,480/13,270,119,636.61
  6. Step 6: Final answer
    x = 9,889,730,440.70

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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.