Home / 412,065,792,056.30-618,098,688,084.45-345,946,028,600.30

Finding the Fourth Proportional to 412,065,792,056.30, 618,098,688,084.45 and 345,946,028,600.30

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Solution

The fourth proportional to 412,065,792,056.30, 618,098,688,084.45 and 345,946,028,600.30 is: 518,919,042,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,065,792,056.30 : 618,098,688,084.45 = 345,946,028,600.30 : x
  2. Step 2: Convert to fraction form
    412,065,792,056.30/618,098,688,084.45 = 345,946,028,600.30/x
  3. Step 3: Cross multiply
    412,065,792,056.30x = 618,098,688,084.45 × 345,946,028,600.30
  4. Step 4: Simplify right side
    412,065,792,056.30x = 213,828,786,425,871,038,676,992
  5. Step 5: Solve for x
    x = 213,828,786,425,871,038,676,992/412,065,792,056.30
  6. Step 6: Final answer
    x = 518,919,042,900.45

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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.