Home / 543,283,411.60-814,925,117.40-391,362,144.40

Finding the Fourth Proportional to 543,283,411.60, 814,925,117.40 and 391,362,144.40

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Solution

The fourth proportional to 543,283,411.60, 814,925,117.40 and 391,362,144.40 is: 587,043,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,283,411.60 : 814,925,117.40 = 391,362,144.40 : x
  2. Step 2: Convert to fraction form
    543,283,411.60/814,925,117.40 = 391,362,144.40/x
  3. Step 3: Cross multiply
    543,283,411.60x = 814,925,117.40 × 391,362,144.40
  4. Step 4: Simplify right side
    543,283,411.60x = 318,930,841,471,085,696
  5. Step 5: Solve for x
    x = 318,930,841,471,085,696/543,283,411.60
  6. Step 6: Final answer
    x = 587,043,216.60

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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.