Home / 37,910,278,988.04-52,317,829,522.26-20,993,926,544.40

Finding the Fourth Proportional to 37,910,278,988.04, 52,317,829,522.26 and 20,993,926,544.40

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Solution

The fourth proportional to 37,910,278,988.04, 52,317,829,522.26 and 20,993,926,544.40 is: 28,972,529,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,910,278,988.04 : 52,317,829,522.26 = 20,993,926,544.40 : x
  2. Step 2: Convert to fraction form
    37,910,278,988.04/52,317,829,522.26 = 20,993,926,544.40/x
  3. Step 3: Cross multiply
    37,910,278,988.04x = 52,317,829,522.26 × 20,993,926,544.40
  4. Step 4: Simplify right side
    37,910,278,988.04x = 1,098,356,669,952,768,344,064
  5. Step 5: Solve for x
    x = 1,098,356,669,952,768,344,064/37,910,278,988.04
  6. Step 6: Final answer
    x = 28,972,529,331.67

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Double scale
Find fourth proportional to 37,910,278,989.04, 52,317,829,523.64 and 20,993,926,545.40
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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.