Home / 518,126,848.49-777,539,969.63-202,953,783.86

Finding the Fourth Proportional to 518,126,848.49, 777,539,969.63 and 202,953,783.86

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Solution

The fourth proportional to 518,126,848.49, 777,539,969.63 and 202,953,783.86 is: 304,567,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,126,848.49 : 777,539,969.63 = 202,953,783.86 : x
  2. Step 2: Convert to fraction form
    518,126,848.49/777,539,969.63 = 202,953,783.86/x
  3. Step 3: Cross multiply
    518,126,848.49x = 777,539,969.63 × 202,953,783.86
  4. Step 4: Simplify right side
    518,126,848.49x = 157,804,678,938,797,984
  5. Step 5: Solve for x
    x = 157,804,678,938,797,984/518,126,848.49
  6. Step 6: Final answer
    x = 304,567,654.42

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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.