Home / 515,472,968.40-711,502,594.32-336,883,722.24

Finding the Fourth Proportional to 515,472,968.40, 711,502,594.32 and 336,883,722.24

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Solution

The fourth proportional to 515,472,968.40, 711,502,594.32 and 336,883,722.24 is: 464,997,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,472,968.40 : 711,502,594.32 = 336,883,722.24 : x
  2. Step 2: Convert to fraction form
    515,472,968.40/711,502,594.32 = 336,883,722.24/x
  3. Step 3: Cross multiply
    515,472,968.40x = 711,502,594.32 × 336,883,722.24
  4. Step 4: Simplify right side
    515,472,968.40x = 239,693,642,357,938,304
  5. Step 5: Solve for x
    x = 239,693,642,357,938,304/515,472,968.40
  6. Step 6: Final answer
    x = 464,997,501.42

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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.