Home / 459,190,572.66-688,422,117.15-229,041,190.26

Finding the Fourth Proportional to 459,190,572.66, 688,422,117.15 and 229,041,190.26

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Solution

The fourth proportional to 459,190,572.66, 688,422,117.15 and 229,041,190.26 is: 343,380,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,190,572.66 : 688,422,117.15 = 229,041,190.26 : x
  2. Step 2: Convert to fraction form
    459,190,572.66/688,422,117.15 = 229,041,190.26/x
  3. Step 3: Cross multiply
    459,190,572.66x = 688,422,117.15 × 229,041,190.26
  4. Step 4: Simplify right side
    459,190,572.66x = 157,677,021,113,345,152
  5. Step 5: Solve for x
    x = 157,677,021,113,345,152/459,190,572.66
  6. Step 6: Final answer
    x = 343,380,353.39

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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.