Home / 988,216,354.96-1,482,272,325.86-324,142,900.45

Finding the Fourth Proportional to 988,216,354.96, 1,482,272,325.86 and 324,142,900.45

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Solution

The fourth proportional to 988,216,354.96, 1,482,272,325.86 and 324,142,900.45 is: 486,197,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,216,354.96 : 1,482,272,325.86 = 324,142,900.45 : x
  2. Step 2: Convert to fraction form
    988,216,354.96/1,482,272,325.86 = 324,142,900.45/x
  3. Step 3: Cross multiply
    988,216,354.96x = 1,482,272,325.86 × 324,142,900.45
  4. Step 4: Simplify right side
    988,216,354.96x = 480,468,050,955,701,568
  5. Step 5: Solve for x
    x = 480,468,050,955,701,568/988,216,354.96
  6. Step 6: Final answer
    x = 486,197,226.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.