Home / 13,013,459,890.40-17,958,953,475.63-7,374,488,242.88

Finding the Fourth Proportional to 13,013,459,890.40, 17,958,953,475.63 and 7,374,488,242.88

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Solution

The fourth proportional to 13,013,459,890.40, 17,958,953,475.63 and 7,374,488,242.88 is: 10,177,008,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,459,890.40 : 17,958,953,475.63 = 7,374,488,242.88 : x
  2. Step 2: Convert to fraction form
    13,013,459,890.40/17,958,953,475.63 = 7,374,488,242.88/x
  3. Step 3: Cross multiply
    13,013,459,890.40x = 17,958,953,475.63 × 7,374,488,242.88
  4. Step 4: Simplify right side
    13,013,459,890.40x = 132,438,091,260,462,350,336
  5. Step 5: Solve for x
    x = 132,438,091,260,462,350,336/13,013,459,890.40
  6. Step 6: Final answer
    x = 10,177,008,449.39

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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.