Home / 390,207,551.44-585,311,579.90-99,096,506.32

Finding the Fourth Proportional to 390,207,551.44, 585,311,579.90 and 99,096,506.32

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Solution

The fourth proportional to 390,207,551.44, 585,311,579.90 and 99,096,506.32 is: 148,644,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,207,551.44 : 585,311,579.90 = 99,096,506.32 : x
  2. Step 2: Convert to fraction form
    390,207,551.44/585,311,579.90 = 99,096,506.32/x
  3. Step 3: Cross multiply
    390,207,551.44x = 585,311,579.90 × 99,096,506.32
  4. Step 4: Simplify right side
    390,207,551.44x = 58,002,332,676,729,528
  5. Step 5: Solve for x
    x = 58,002,332,676,729,528/390,207,551.44
  6. Step 6: Final answer
    x = 148,644,823.67

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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.