Home / 531,431,738.40-797,147,607.60-490,617,069.60

Finding the Fourth Proportional to 531,431,738.40, 797,147,607.60 and 490,617,069.60

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Solution

The fourth proportional to 531,431,738.40, 797,147,607.60 and 490,617,069.60 is: 735,925,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,431,738.40 : 797,147,607.60 = 490,617,069.60 : x
  2. Step 2: Convert to fraction form
    531,431,738.40/797,147,607.60 = 490,617,069.60/x
  3. Step 3: Cross multiply
    531,431,738.40x = 797,147,607.60 × 490,617,069.60
  4. Step 4: Simplify right side
    531,431,738.40x = 391,094,223,279,362,688
  5. Step 5: Solve for x
    x = 391,094,223,279,362,688/531,431,738.40
  6. Step 6: Final answer
    x = 735,925,604.40

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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.