Home / 414,688,689.46-622,125,814.02-155,906,152.12

Finding the Fourth Proportional to 414,688,689.46, 622,125,814.02 and 155,906,152.12

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Solution

The fourth proportional to 414,688,689.46, 622,125,814.02 and 155,906,152.12 is: 233,894,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,688,689.46 : 622,125,814.02 = 155,906,152.12 : x
  2. Step 2: Convert to fraction form
    414,688,689.46/622,125,814.02 = 155,906,152.12/x
  3. Step 3: Cross multiply
    414,688,689.46x = 622,125,814.02 × 155,906,152.12
  4. Step 4: Simplify right side
    414,688,689.46x = 96,993,241,798,380,944
  5. Step 5: Solve for x
    x = 96,993,241,798,380,944/414,688,689.46
  6. Step 6: Final answer
    x = 233,894,109.64

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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.