Home / 459,190,589.16-688,422,141.90-229,041,206.76

Finding the Fourth Proportional to 459,190,589.16, 688,422,141.90 and 229,041,206.76

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Solution

The fourth proportional to 459,190,589.16, 688,422,141.90 and 229,041,206.76 is: 343,380,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,190,589.16 : 688,422,141.90 = 229,041,206.76 : x
  2. Step 2: Convert to fraction form
    459,190,589.16/688,422,141.90 = 229,041,206.76/x
  3. Step 3: Cross multiply
    459,190,589.16x = 688,422,141.90 × 229,041,206.76
  4. Step 4: Simplify right side
    459,190,589.16x = 157,677,038,141,079,936
  5. Step 5: Solve for x
    x = 157,677,038,141,079,936/459,190,589.16
  6. Step 6: Final answer
    x = 343,380,378.13

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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.