Home / 602,009,999.10-902,798,135.73-208,429,966.89

Finding the Fourth Proportional to 602,009,999.10, 902,798,135.73 and 208,429,966.89

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Solution

The fourth proportional to 602,009,999.10, 902,798,135.73 and 208,429,966.89 is: 312,569,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,009,999.10 : 902,798,135.73 = 208,429,966.89 : x
  2. Step 2: Convert to fraction form
    602,009,999.10/902,798,135.73 = 208,429,966.89/x
  3. Step 3: Cross multiply
    602,009,999.10x = 902,798,135.73 × 208,429,966.89
  4. Step 4: Simplify right side
    602,009,999.10x = 188,170,185,538,557,632
  5. Step 5: Solve for x
    x = 188,170,185,538,557,632/602,009,999.10
  6. Step 6: Final answer
    x = 312,569,867.31

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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.