Home / 412,065,792,058.80-618,098,688,088.20-345,946,028,602.80

Finding the Fourth Proportional to 412,065,792,058.80, 618,098,688,088.20 and 345,946,028,602.80

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Solution

The fourth proportional to 412,065,792,058.80, 618,098,688,088.20 and 345,946,028,602.80 is: 518,919,042,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,065,792,058.80 : 618,098,688,088.20 = 345,946,028,602.80 : x
  2. Step 2: Convert to fraction form
    412,065,792,058.80/618,098,688,088.20 = 345,946,028,602.80/x
  3. Step 3: Cross multiply
    412,065,792,058.80x = 618,098,688,088.20 × 345,946,028,602.80
  4. Step 4: Simplify right side
    412,065,792,058.80x = 213,828,786,428,713,568,829,440
  5. Step 5: Solve for x
    x = 213,828,786,428,713,568,829,440/412,065,792,058.80
  6. Step 6: Final answer
    x = 518,919,042,904.20

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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.