Home / 438,395,507.40-604,980,983.88-237,447,382.48

Finding the Fourth Proportional to 438,395,507.40, 604,980,983.88 and 237,447,382.48

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Solution

The fourth proportional to 438,395,507.40, 604,980,983.88 and 237,447,382.48 is: 327,674,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,395,507.40 : 604,980,983.88 = 237,447,382.48 : x
  2. Step 2: Convert to fraction form
    438,395,507.40/604,980,983.88 = 237,447,382.48/x
  3. Step 3: Cross multiply
    438,395,507.40x = 604,980,983.88 × 237,447,382.48
  4. Step 4: Simplify right side
    438,395,507.40x = 143,651,151,070,968,608
  5. Step 5: Solve for x
    x = 143,651,151,070,968,608/438,395,507.40
  6. Step 6: Final answer
    x = 327,674,779.15

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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.