Home / 734,852,270.40-1,102,278,405.60-678,732,100.80

Finding the Fourth Proportional to 734,852,270.40, 1,102,278,405.60 and 678,732,100.80

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Solution

The fourth proportional to 734,852,270.40, 1,102,278,405.60 and 678,732,100.80 is: 1,018,098,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,852,270.40 : 1,102,278,405.60 = 678,732,100.80 : x
  2. Step 2: Convert to fraction form
    734,852,270.40/1,102,278,405.60 = 678,732,100.80/x
  3. Step 3: Cross multiply
    734,852,270.40x = 1,102,278,405.60 × 678,732,100.80
  4. Step 4: Simplify right side
    734,852,270.40x = 748,151,737,899,362,304
  5. Step 5: Solve for x
    x = 748,151,737,899,362,304/734,852,270.40
  6. Step 6: Final answer
    x = 1,018,098,151.20

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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.