Home / 557,460,802.14-769,316,133.75-319,352,005.66

Finding the Fourth Proportional to 557,460,802.14, 769,316,133.75 and 319,352,005.66

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Solution

The fourth proportional to 557,460,802.14, 769,316,133.75 and 319,352,005.66 is: 440,717,355.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,460,802.14 : 769,316,133.75 = 319,352,005.66 : x
  2. Step 2: Convert to fraction form
    557,460,802.14/769,316,133.75 = 319,352,005.66/x
  3. Step 3: Cross multiply
    557,460,802.14x = 769,316,133.75 × 319,352,005.66
  4. Step 4: Simplify right side
    557,460,802.14x = 245,682,650,299,659,328
  5. Step 5: Solve for x
    x = 245,682,650,299,659,328/557,460,802.14
  6. Step 6: Final answer
    x = 440,717,355.12

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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.