Home / 553,568,541.40-830,352,812.10-446,073,117.40

Finding the Fourth Proportional to 553,568,541.40, 830,352,812.10 and 446,073,117.40

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Solution

The fourth proportional to 553,568,541.40, 830,352,812.10 and 446,073,117.40 is: 669,109,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,568,541.40 : 830,352,812.10 = 446,073,117.40 : x
  2. Step 2: Convert to fraction form
    553,568,541.40/830,352,812.10 = 446,073,117.40/x
  3. Step 3: Cross multiply
    553,568,541.40x = 830,352,812.10 × 446,073,117.40
  4. Step 4: Simplify right side
    553,568,541.40x = 370,398,067,435,303,424
  5. Step 5: Solve for x
    x = 370,398,067,435,303,424/553,568,541.40
  6. Step 6: Final answer
    x = 669,109,676.10

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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.