Home / 13,168,653,252.50-18,172,759,484.34-7,147,158,749.12

Finding the Fourth Proportional to 13,168,653,252.50, 18,172,759,484.34 and 7,147,158,749.12

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Solution

The fourth proportional to 13,168,653,252.50, 18,172,759,484.34 and 7,147,158,749.12 is: 9,863,088,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,653,252.50 : 18,172,759,484.34 = 7,147,158,749.12 : x
  2. Step 2: Convert to fraction form
    13,168,653,252.50/18,172,759,484.34 = 7,147,158,749.12/x
  3. Step 3: Cross multiply
    13,168,653,252.50x = 18,172,759,484.34 × 7,147,158,749.12
  4. Step 4: Simplify right side
    13,168,653,252.50x = 129,883,596,944,063,217,664
  5. Step 5: Solve for x
    x = 129,883,596,944,063,217,664/13,168,653,252.50
  6. Step 6: Final answer
    x = 9,863,088,840.88

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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.