Home / 425,211,664.40-637,817,496.60-231,216,016.40

Finding the Fourth Proportional to 425,211,664.40, 637,817,496.60 and 231,216,016.40

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Solution

The fourth proportional to 425,211,664.40, 637,817,496.60 and 231,216,016.40 is: 346,824,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,211,664.40 : 637,817,496.60 = 231,216,016.40 : x
  2. Step 2: Convert to fraction form
    425,211,664.40/637,817,496.60 = 231,216,016.40/x
  3. Step 3: Cross multiply
    425,211,664.40x = 637,817,496.60 × 231,216,016.40
  4. Step 4: Simplify right side
    425,211,664.40x = 147,473,620,754,072,544
  5. Step 5: Solve for x
    x = 147,473,620,754,072,544/425,211,664.40
  6. Step 6: Final answer
    x = 346,824,024.60

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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.