Home / 13,013,459,886.39-17,958,953,470.10-7,374,488,238.87

Finding the Fourth Proportional to 13,013,459,886.39, 17,958,953,470.10 and 7,374,488,238.87

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Solution

The fourth proportional to 13,013,459,886.39, 17,958,953,470.10 and 7,374,488,238.87 is: 10,177,008,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,459,886.39 : 17,958,953,470.10 = 7,374,488,238.87 : x
  2. Step 2: Convert to fraction form
    13,013,459,886.39/17,958,953,470.10 = 7,374,488,238.87/x
  3. Step 3: Cross multiply
    13,013,459,886.39x = 17,958,953,470.10 × 7,374,488,238.87
  4. Step 4: Simplify right side
    13,013,459,886.39x = 132,438,091,147,666,014,208
  5. Step 5: Solve for x
    x = 132,438,091,147,666,014,208/13,013,459,886.39
  6. Step 6: Final answer
    x = 10,177,008,443.86

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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.