Home / 448,400,358.60-672,726,509.10-218,376,947.40

Finding the Fourth Proportional to 448,400,358.60, 672,726,509.10 and 218,376,947.40

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Solution

The fourth proportional to 448,400,358.60, 672,726,509.10 and 218,376,947.40 is: 327,626,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,400,358.60 : 672,726,509.10 = 218,376,947.40 : x
  2. Step 2: Convert to fraction form
    448,400,358.60/672,726,509.10 = 218,376,947.40/x
  3. Step 3: Cross multiply
    448,400,358.60x = 672,726,509.10 × 218,376,947.40
  4. Step 4: Simplify right side
    448,400,358.60x = 146,907,961,492,316,320
  5. Step 5: Solve for x
    x = 146,907,961,492,316,320/448,400,358.60
  6. Step 6: Final answer
    x = 327,626,770.75

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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.