Home / 623,966,447.70-935,697,729.15-214,811,990.10

Finding the Fourth Proportional to 623,966,447.70, 935,697,729.15 and 214,811,990.10

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Solution

The fourth proportional to 623,966,447.70, 935,697,729.15 and 214,811,990.10 is: 322,131,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,966,447.70 : 935,697,729.15 = 214,811,990.10 : x
  2. Step 2: Convert to fraction form
    623,966,447.70/935,697,729.15 = 214,811,990.10/x
  3. Step 3: Cross multiply
    623,966,447.70x = 935,697,729.15 × 214,811,990.10
  4. Step 4: Simplify right side
    623,966,447.70x = 200,999,091,330,762,272
  5. Step 5: Solve for x
    x = 200,999,091,330,762,272/623,966,447.70
  6. Step 6: Final answer
    x = 322,131,249.32

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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.