Home / 531,431,570.40-797,147,355.60-490,616,901.60

Finding the Fourth Proportional to 531,431,570.40, 797,147,355.60 and 490,616,901.60

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Solution

The fourth proportional to 531,431,570.40, 797,147,355.60 and 490,616,901.60 is: 735,925,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,431,570.40 : 797,147,355.60 = 490,616,901.60 : x
  2. Step 2: Convert to fraction form
    531,431,570.40/797,147,355.60 = 490,616,901.60/x
  3. Step 3: Cross multiply
    531,431,570.40x = 797,147,355.60 × 490,616,901.60
  4. Step 4: Simplify right side
    531,431,570.40x = 391,093,965,723,105,408
  5. Step 5: Solve for x
    x = 391,093,965,723,105,408/531,431,570.40
  6. Step 6: Final answer
    x = 735,925,352.40

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1.5x scale

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.