Home / 523,771,502.88-785,790,705.05-155,319,914.64

Finding the Fourth Proportional to 523,771,502.88, 785,790,705.05 and 155,319,914.64

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Solution

The fourth proportional to 523,771,502.88, 785,790,705.05 and 155,319,914.64 is: 233,019,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,771,502.88 : 785,790,705.05 = 155,319,914.64 : x
  2. Step 2: Convert to fraction form
    523,771,502.88/785,790,705.05 = 155,319,914.64/x
  3. Step 3: Cross multiply
    523,771,502.88x = 785,790,705.05 × 155,319,914.64
  4. Step 4: Simplify right side
    523,771,502.88x = 122,048,945,233,271,392
  5. Step 5: Solve for x
    x = 122,048,945,233,271,392/523,771,502.88
  6. Step 6: Final answer
    x = 233,019,445.62

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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.