Home / 20,586,216,962.32-30,740,697,538.47-16,812,096,293.72

Finding the Fourth Proportional to 20,586,216,962.32, 30,740,697,538.47 and 16,812,096,293.72

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Solution

The fourth proportional to 20,586,216,962.32, 30,740,697,538.47 and 16,812,096,293.72 is: 25,104,931,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,216,962.32 : 30,740,697,538.47 = 16,812,096,293.72 : x
  2. Step 2: Convert to fraction form
    20,586,216,962.32/30,740,697,538.47 = 16,812,096,293.72/x
  3. Step 3: Cross multiply
    20,586,216,962.32x = 30,740,697,538.47 × 16,812,096,293.72
  4. Step 4: Simplify right side
    20,586,216,962.32x = 516,815,567,152,940,515,328
  5. Step 5: Solve for x
    x = 516,815,567,152,940,515,328/20,586,216,962.32
  6. Step 6: Final answer
    x = 25,104,931,522.82

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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.