Home / 400,362,897.62-600,428,347.94-120,232,510.58

Finding the Fourth Proportional to 400,362,897.62, 600,428,347.94 and 120,232,510.58

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Solution

The fourth proportional to 400,362,897.62, 600,428,347.94 and 120,232,510.58 is: 180,313,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,362,897.62 : 600,428,347.94 = 120,232,510.58 : x
  2. Step 2: Convert to fraction form
    400,362,897.62/600,428,347.94 = 120,232,510.58/x
  3. Step 3: Cross multiply
    400,362,897.62x = 600,428,347.94 × 120,232,510.58
  4. Step 4: Simplify right side
    400,362,897.62x = 72,191,007,696,227,984
  5. Step 5: Solve for x
    x = 72,191,007,696,227,984/400,362,897.62
  6. Step 6: Final answer
    x = 180,313,930.50

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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.