Home / 531,436,040.40-797,154,060.60-445,439,701.20

Finding the Fourth Proportional to 531,436,040.40, 797,154,060.60 and 445,439,701.20

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Solution

The fourth proportional to 531,436,040.40, 797,154,060.60 and 445,439,701.20 is: 668,159,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,436,040.40 : 797,154,060.60 = 445,439,701.20 : x
  2. Step 2: Convert to fraction form
    531,436,040.40/797,154,060.60 = 445,439,701.20/x
  3. Step 3: Cross multiply
    531,436,040.40x = 797,154,060.60 × 445,439,701.20
  4. Step 4: Simplify right side
    531,436,040.40x = 355,084,066,564,030,720
  5. Step 5: Solve for x
    x = 355,084,066,564,030,720/531,436,040.40
  6. Step 6: Final answer
    x = 668,159,551.80

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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.