Home / 761,151,188.40-1,141,852,753.80-324,660,980.40

Finding the Fourth Proportional to 761,151,188.40, 1,141,852,753.80 and 324,660,980.40

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Solution

The fourth proportional to 761,151,188.40, 1,141,852,753.80 and 324,660,980.40 is: 487,045,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,151,188.40 : 1,141,852,753.80 = 324,660,980.40 : x
  2. Step 2: Convert to fraction form
    761,151,188.40/1,141,852,753.80 = 324,660,980.40/x
  3. Step 3: Cross multiply
    761,151,188.40x = 1,141,852,753.80 × 324,660,980.40
  4. Step 4: Simplify right side
    761,151,188.40x = 370,715,034,521,147,776
  5. Step 5: Solve for x
    x = 370,715,034,521,147,776/761,151,188.40
  6. Step 6: Final answer
    x = 487,045,202.28

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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.