Home / 412,065,792,125.80-618,098,688,188.70-147,369,060,068.20

Finding the Fourth Proportional to 412,065,792,125.80, 618,098,688,188.70 and 147,369,060,068.20

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Solution

The fourth proportional to 412,065,792,125.80, 618,098,688,188.70 and 147,369,060,068.20 is: 221,053,590,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,065,792,125.80 : 618,098,688,188.70 = 147,369,060,068.20 : x
  2. Step 2: Convert to fraction form
    412,065,792,125.80/618,098,688,188.70 = 147,369,060,068.20/x
  3. Step 3: Cross multiply
    412,065,792,125.80x = 618,098,688,188.70 × 147,369,060,068.20
  4. Step 4: Simplify right side
    412,065,792,125.80x = 91,088,622,707,756,159,205,376
  5. Step 5: Solve for x
    x = 91,088,622,707,756,159,205,376/412,065,792,125.80
  6. Step 6: Final answer
    x = 221,053,590,102.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.