Home / 590,576,128.10-815,018,365.41-339,680,117.42

Finding the Fourth Proportional to 590,576,128.10, 815,018,365.41 and 339,680,117.42

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Solution

The fourth proportional to 590,576,128.10, 815,018,365.41 and 339,680,117.42 is: 468,771,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,576,128.10 : 815,018,365.41 = 339,680,117.42 : x
  2. Step 2: Convert to fraction form
    590,576,128.10/815,018,365.41 = 339,680,117.42/x
  3. Step 3: Cross multiply
    590,576,128.10x = 815,018,365.41 × 339,680,117.42
  4. Step 4: Simplify right side
    590,576,128.10x = 276,845,534,057,850,176
  5. Step 5: Solve for x
    x = 276,845,534,057,850,176/590,576,128.10
  6. Step 6: Final answer
    x = 468,771,968.40

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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.