Home / 515,472,969.40-711,502,595.70-336,883,723.24

Finding the Fourth Proportional to 515,472,969.40, 711,502,595.70 and 336,883,723.24

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Solution

The fourth proportional to 515,472,969.40, 711,502,595.70 and 336,883,723.24 is: 464,997,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,472,969.40 : 711,502,595.70 = 336,883,723.24 : x
  2. Step 2: Convert to fraction form
    515,472,969.40/711,502,595.70 = 336,883,723.24/x
  3. Step 3: Cross multiply
    515,472,969.40x = 711,502,595.70 × 336,883,723.24
  4. Step 4: Simplify right side
    515,472,969.40x = 239,693,643,534,340,448
  5. Step 5: Solve for x
    x = 239,693,643,534,340,448/515,472,969.40
  6. Step 6: Final answer
    x = 464,997,502.80

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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.