Home / 20,586,216,962.07-30,740,697,538.11-16,812,096,293.48

Finding the Fourth Proportional to 20,586,216,962.07, 30,740,697,538.11 and 16,812,096,293.48

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Solution

The fourth proportional to 20,586,216,962.07, 30,740,697,538.11 and 16,812,096,293.48 is: 25,104,931,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,216,962.07 : 30,740,697,538.11 = 16,812,096,293.48 : x
  2. Step 2: Convert to fraction form
    20,586,216,962.07/30,740,697,538.11 = 16,812,096,293.48/x
  3. Step 3: Cross multiply
    20,586,216,962.07x = 30,740,697,538.11 × 16,812,096,293.48
  4. Step 4: Simplify right side
    20,586,216,962.07x = 516,815,567,139,364,798,464
  5. Step 5: Solve for x
    x = 516,815,567,139,364,798,464/20,586,216,962.07
  6. Step 6: Final answer
    x = 25,104,931,522.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.