Home / 418,614,955.96-577,688,640.70-233,019,815.64

Finding the Fourth Proportional to 418,614,955.96, 577,688,640.70 and 233,019,815.64

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Solution

The fourth proportional to 418,614,955.96, 577,688,640.70 and 233,019,815.64 is: 321,567,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,614,955.96 : 577,688,640.70 = 233,019,815.64 : x
  2. Step 2: Convert to fraction form
    418,614,955.96/577,688,640.70 = 233,019,815.64/x
  3. Step 3: Cross multiply
    418,614,955.96x = 577,688,640.70 × 233,019,815.64
  4. Step 4: Simplify right side
    418,614,955.96x = 134,612,900,553,236,208
  5. Step 5: Solve for x
    x = 134,612,900,553,236,208/418,614,955.96
  6. Step 6: Final answer
    x = 321,567,346.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.