Home / 412,065,792,142.80-618,098,688,214.20-147,369,060,085.20

Finding the Fourth Proportional to 412,065,792,142.80, 618,098,688,214.20 and 147,369,060,085.20

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Solution

The fourth proportional to 412,065,792,142.80, 618,098,688,214.20 and 147,369,060,085.20 is: 221,053,590,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,065,792,142.80 : 618,098,688,214.20 = 147,369,060,085.20 : x
  2. Step 2: Convert to fraction form
    412,065,792,142.80/618,098,688,214.20 = 147,369,060,085.20/x
  3. Step 3: Cross multiply
    412,065,792,142.80x = 618,098,688,214.20 × 147,369,060,085.20
  4. Step 4: Simplify right side
    412,065,792,142.80x = 91,088,622,722,021,742,084,096
  5. Step 5: Solve for x
    x = 91,088,622,722,021,742,084,096/412,065,792,142.80
  6. Step 6: Final answer
    x = 221,053,590,127.80

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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.