Home / 508,619,510.43-761,816,944.98-360,618,451.50

Finding the Fourth Proportional to 508,619,510.43, 761,816,944.98 and 360,618,451.50

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Solution

The fourth proportional to 508,619,510.43, 761,816,944.98 and 360,618,451.50 is: 540,139,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,619,510.43 : 761,816,944.98 = 360,618,451.50 : x
  2. Step 2: Convert to fraction form
    508,619,510.43/761,816,944.98 = 360,618,451.50/x
  3. Step 3: Cross multiply
    508,619,510.43x = 761,816,944.98 × 360,618,451.50
  4. Step 4: Simplify right side
    508,619,510.43x = 274,725,247,022,713,984
  5. Step 5: Solve for x
    x = 274,725,247,022,713,984/508,619,510.43
  6. Step 6: Final answer
    x = 540,139,026.11

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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.