Home / 438,544,216,867.10-657,352,051,055.65-147,511,759,437.92

Finding the Fourth Proportional to 438,544,216,867.10, 657,352,051,055.65 and 147,511,759,437.92

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Solution

The fourth proportional to 438,544,216,867.10, 657,352,051,055.65 and 147,511,759,437.92 is: 221,111,472,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,544,216,867.10 : 657,352,051,055.65 = 147,511,759,437.92 : x
  2. Step 2: Convert to fraction form
    438,544,216,867.10/657,352,051,055.65 = 147,511,759,437.92/x
  3. Step 3: Cross multiply
    438,544,216,867.10x = 657,352,051,055.65 × 147,511,759,437.92
  4. Step 4: Simplify right side
    438,544,216,867.10x = 96,967,157,621,344,354,435,072
  5. Step 5: Solve for x
    x = 96,967,157,621,344,354,435,072/438,544,216,867.10
  6. Step 6: Final answer
    x = 221,111,472,667.60

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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.